1.Gynecological and obstetric system diseases: Functional uterine bleeding, irregular menstruation, endometritis;
2.Urological and reproductive system diseases: Orchitis, prostatitis;
3.Other conditions: Sequelae of cerebrovascular diseases, intestinal bleeding, hernia pain, calf muscle spasm.

On the back of the lower leg, along the line connecting Middle of the Crease (BL-40) and Mountain Support (BL-57), 2 cun below Middle of the Crease (BL-40). (This acupoint is bilateral, one on each side.)

Lie prone or sit. Measure straight down from the midpoint of the popliteal crease for 2 horizontal fingers (the breadth of the thumb), and press where there is a depression; this is the location of this acupoint.