Patterns Addressed
In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Qing Jing San is designed to correct these specific patterns.
Why Qing Jing San addresses this pattern
This formula addresses Blood Heat arising specifically from excess Fire in the Kidneys that overheats the Blood and destabilizes the Chong and Ren vessels. The original text describes this as a condition where "Fire is too vigorous, so the Blood becomes hot; Water is too vigorous, so the Blood becomes abundant." Mu Dan Pi, Di Gu Pi, and Qing Hao directly cool the Blood and clear Heat from the Yin level. Huang Bai drains the source of Fire in the Kidneys. Meanwhile, Shu Di Huang and Bai Shao protect Yin and Blood, ensuring that as Fire is cleared, the body's vital substances remain intact. The formula's overall design clears Heat without draining Water, achieving what Fu Qingzhu called "reducing the excess while simultaneously nourishing" (损而益也).
A practitioner would look for one or more of these signs
Menstruation arriving 7 or more days ahead of schedule
Excessive menstrual volume
Blood color deep red or purplish
Blood quality thick and sticky
Red tongue with yellow coating
Feelings of restlessness or irritability
Dry mouth and thirst
Short and dark-colored urine
Why Qing Jing San addresses this pattern
When Kidney Yin becomes relatively insufficient in relation to Kidney Yang, deficiency Heat arises and disturbs the Blood chamber (uterus). This Heat accelerates Blood flow and causes menstruation to arrive early. Qing Jing San addresses this through Di Gu Pi and Qing Hao, which specifically clear deficiency Heat from the Yin level, while Shu Di Huang enriches Kidney Yin to restore the Water-Fire balance. The formula's approach is to cool without over-draining, and nourish without creating stagnation, making it well suited for this pattern where the underlying deficiency must be addressed alongside the excess Heat.
A practitioner would look for one or more of these signs
Consistently early periods with heavy flow
Night sweats or afternoon tidal Heat
Reddened cheeks
Dry mouth, especially at night
Pulse is thin, wiry, and rapid (弦细数)
Commonly Prescribed For
These conditions can arise from the patterns above. A practitioner would consider Qing Jing San when these conditions are specifically caused by those patterns — not for all cases of these conditions.
TCM Interpretation
In TCM, the timing of menstruation is governed by the Chong and Ren vessels, which are in turn closely regulated by the Kidney. When Heat accumulates in the Blood, whether from excess Fire or from Yin deficiency, it agitates the Blood and causes it to move recklessly, breaking through the uterus before the normal cycle is complete. Fu Qingzhu specifically identified a scenario where both Kidney Water and Kidney Fire are simultaneously vigorous, a condition of "excess within excess" rather than simple deficiency. This overabundance of Fire heats the Blood while the excess Water increases its volume, producing early periods that are also unusually heavy.
Why Qing Jing San Helps
Qing Jing San addresses early menstruation by cooling the Blood and draining Kidney Fire at multiple levels. Mu Dan Pi cools Blood-level Heat directly, while Di Gu Pi and Qing Hao reach deeper into the Yin layer to clear lingering deficiency Heat. The small dose of salt-fried Huang Bai targets Kidney Fire at its source in the lower burner. Critically, Shu Di Huang and Bai Shao protect and nourish Blood and Yin, ensuring the formula does not simply suppress Heat but restores the underlying Water-Fire balance so that menstruation can return to its natural timing. Clinical studies have shown a total effectiveness rate over 96% for early menstruation when this formula is used in appropriate cases.
TCM Interpretation
Heavy menstrual bleeding in TCM can arise from several causes, but when it occurs alongside Heat signs (deep red or purple blood, thick consistency, feeling of warmth, red tongue, rapid pulse), it points to Blood Heat forcing the Blood out of the vessels in excessive amounts. The Chong vessel, sometimes called the "Sea of Blood," normally stores and releases Blood in a regulated rhythm. When Heat disrupts this regulation, the gates of the Blood chamber open too wide and too early, resulting in flooding. The Kidney's role is central here because it provides the foundational control over the Chong and Ren vessels.
Why Qing Jing San Helps
By cooling the Blood with Mu Dan Pi and Di Gu Pi, the formula calms the reckless movement of Blood that causes excessive flow. Bai Shao helps consolidate Blood by nourishing and constraining Liver Yin, while Fu Ling provides gentle drainage to redirect excess Heat downward through the urinary pathway. Clinical observations have reported that roughly 91% of patients with Blood-Heat type menorrhagia had their menstrual volume return to normal after treatment with Qing Jing San, with effects maintained beyond three months.
TCM Interpretation
Luteal phase defect, where the second half of the menstrual cycle is abnormally short, is understood in TCM as a failure of the Kidney to maintain adequate warmth and nourishment of the uterus after ovulation. When Kidney Yin is deficient with relative excess of Fire, the Blood is heated and expelled prematurely, shortening the luteal phase. The Kidney governs reproduction and provides the foundational Yin and Yang that sustain the Chong and Ren vessels throughout the cycle.
Why Qing Jing San Helps
Qing Jing San addresses luteal phase defect by clearing the excess Heat that shortens the cycle while simultaneously nourishing Kidney Yin through Shu Di Huang and Bai Shao. Research has shown the formula can raise progesterone and estradiol levels during the luteal phase, effectively lengthening both the luteal phase and the overall menstrual cycle. In a clinical study comparing Qing Jing San to gonadotropin therapy, the herbal treatment group showed a 96% effectiveness rate compared to 76% in the control group.
Also commonly used for
Dysfunctional uterine bleeding from Blood Heat pattern
Menstrual irregularity with early arrival and excess volume
PMS with Heat signs such as irritability and restlessness
What This Formula Does
Every TCM formula has a specific set of actions — here's what Qing Jing San does in the body, explained in both everyday and TCM terms
Therapeutic focus
In practical terms, Qing Jing San is primarily used to support these areas of health:
TCM Actions
In TCM terminology, these are the specific therapeutic actions that Qing Jing San performs to restore balance in the body:
How It Addresses the Root Cause
TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Qing Jing San works at the root level.
In TCM, the uterus (called the "Blood Chamber") fills and empties on a regular cycle governed by the Chong and Ren vessels, which are in turn deeply rooted in Kidney function. When the Kidneys are healthy, their Water (Yin) and Fire (Yang) aspects remain in balance, and the Blood Chamber fills and overflows in an orderly rhythm, producing a regular menstrual cycle.
The pathomechanism addressed by Qing Jing San involves a state where both Kidney Fire and Kidney Water become excessively vigorous. The Fire aspect becomes dominant and generates internal Heat, which enters the Blood level and agitates the Chong and Ren vessels. This Heat "stirs" the Blood, causing it to move recklessly and overflow from the Blood Chamber before its proper time. The result is early periods with heavy flow, and the blood itself appears deep red or purplish because Heat thickens and darkens it. At the same time, the Heat disturbs the Heart (causing irritability), damages fluids (causing dry mouth and thirst), and transfers downward to the Bladder (causing scanty dark urine).
Crucially, Fu Qing-zhu's insight is that this is not a simple case of empty Yin failing to restrain Fire. Rather, both Water and Fire are abundant, but Fire has become relatively excessive. This is why the treatment strategy focuses on gently clearing the excess Heat without aggressively draining or supplementing the Water. Once the Heat is cleared, the Blood settles back into its proper rhythm, and the menstrual cycle normalizes.
Formula Properties
Every formula has an inherent temperature, taste, and affinity for specific organs — these properties determine how it interacts with the body