Hemorrhoids，hematochezia，throughflux diarrhea，constipation，difficulty in urination，genitalia wet and itch，last sacral pain，epilepsy，hysteria，lumbar neuralgia.Main point for hemorrhoids from excess or deficiency, anal prolapse, analfissure; otherr hemorrhoid points: UB 25, UB 30, UB 32, UB 35, UB 57, Erbai.Diarrhea with or without blood in the stools, constipation.Important point for genitourinary disorders, for the five types of painful urinary disorder (Five Lin), urinary retention, sexual exhaustion, impotence, seminal emission.Main point for disorders of the coccyx. Injuries to the coccyx will generally cause the tip of the coccyx to point more ventrally, to deviate to one side, or both, affecting the energetics of the spine and the whole body.A strong descending action on spirit disorders – epilepsy, manic depression.