Vertically 0.5–1 cun.
Fuliu KID-7 is a very important point with various functions.
One of the most important one is to resolve Dampness in the Lower Burner characterized by urinary or intestinal disorders. It also opens the Water Passage and resolves Oedema. Typical symptoms include leg oedema, diarrhoea, abdominal fullness, mucus and blood in the stools, borborygmi, heavy feeling in the rectum, painful and difficult urination, retention of urine, turbid urine as well as blood in the urine.
This point can be stimulated to control sweating. When used together with Hegu LI-4 with Reducing Needling Method, it promotes sweating in order to expel Wind-Cold from the Exterior during Pernicious Evils attack. When used together with Yinxi HE-6 with Tonifying Needling Method, it stops sweating to tonify Kidney Yin.
Like Taixi KID-3, KID-7 is also able to tonify all aspects of Kidney Deficiency, especially Kidney Yang. Typical symptoms are back pain, dizziness, tinnitus, weak knees and fatigue. It is recommended to use moxa for Kidney Yang Deficiency, while simply needling for Yin Deficiency.
Finally it also strengthens the lower back, so as to treat back pain as well as pain and coldness in knees.