0.5–1 cun vertically or 1.5 cun slightly obliquely towards the external genitalia for disorders of the urogenital tract.
The Bladder needs to be emptied before the needling.
Caution: Femoral artery, Pregnancy. Urinary bladder which is quite superficial in a superior direction. In men, the spermatic ducts which is quite superficial in an inferior direction.
Qichong ST-30 is a very important point of the Stomach Channel with various functions.
First of all, it is a point of the Penetrating Vessel (Chong Mai) and this is how it get its name "Penetrating Qi". Its other name is "Qijie (Qi Street)", which is also an alternative term for Penetrating Vessel. This is the point Penetrating Vessels merges from the Interior and imposes influence over all abdomen Channels.
Since the Penetrating Vessel is the Sea of Blood, ST-30 has a powerful effect in moving Blood, especially in the Lower Burner (eg: genitals, Uterus or lower abdomen). Therefore, it is often indicated in Excess patterns of the abdomen and genitalia, characterized by abdominal pain, abdominal masses, hernia, painful periods, swelling of penis, retention of placenta and swelling of prostate.
In order to enhance the effectiveness, it can also be used together with its so called opening and coupled points: Gongsun SP-4 and Neiguan P-6. This combination is also able to invigorate Qi of the Penetrating Vessel, especially in subduing Rebellious Qi there.
On the other hand, Qichong ST-30 is also the Sea of Food itself. It is because it can enhance the Stomach's function of rotting and ripening food as well as Spleen's function of transformation and transportation. Thus it benefits the digesting system so as to supply Food Qi (Post-Heaven Qi) to the body.
Being a major point of the Penetrating Vessel and Sea of Food, it is the link between the root of the Pre-Heaven Qi (Kidneys) and the root of the Post-Heaven Qi (Stomach). Therefore, it is a powerful point in tonifying both Pre and Post Heaven Qi.