Chinese: 风市
Pinyin: Fēng Shì
On the midline of the lateral aspect of the thigh, 7 cun above the transverse politeal crease.
When the patient is standing erect with the hands close to the side, Fengshi GB-31 is usually where the tip of the middle finger touches.
Or: locate the popliteal crease and the highest prominence of the greater trochanter. The distance between these two reference points is about 19 cun. Fengshi GB-31 is 7 cun above the politeal crease.
It is sensitive to pressure, which can help locating the point.
Vertically 1–2 cun
Fengshi GB-31 is a major point of the Gall Bladder Channel. Its main function is to treat skin disorders such as itchiness, or red rashes that move around the body, which are caused by Wind-Heat invasion. Together with Zhigou TB-6, it treats herpes zoster as well.
Furthermore, it removes obstructions from the Channel by promoting Qi and Blood circulation in the legs and relaxing the sinews. Thus it treats sciatica, hemiplegia, leg atrophy, numbness of leg or rigidity of knee.