Vertically 0.5–1.5 cun.
Caution: N. fibularis communis.
Weiyang BL-39 is a major point in resolving Dampness or Oedema in the Lower Burner, by stimulating the Body Fluids transformation and excretion from the Bladder. It controls the opening and closing of the water passages.
When the Lower Burner is in Excess patterns such as blocked water passages, Reducing Needling method should be applied to remove the obstructions. Typical manifestations include urinary retention, burning on urination, difficult urination or the ankles Oedema.
On the other hand, When the Qi is Deficient in the Lower Burner, the Water Passage is in a relax state and the Body Fluids failed to be hold, resulting symptoms such as urine incontinence or enuresis. In this case, Tonifying Needling method should be applied to strengthen Qi and tighten the Water passages.
Furthermore, like its neighboring Bladder points, it also removes obstructions from the Channel, characterized by pain and stiffness in the lumber, abdomen, leg and foot.