The location of the Zhaohai acupoint is at the place of the ankle, specifically 1 inch below the tip of the inner ankle, in the marginal depression at the lower edge of the inner ankle. Zhaohai acupoint belongs to the acupoint of the foot shaoyin kidney meridian, which is located 1 inch below the tip of the inner ankle, in the marginal depression of the lower edge of the inner ankle. It has the effects of nourishing yin and regulating menstruation, restraining wind and stopping spasm, inducing diaphoresis and tranquilizing the mind. It can be used to treat menstrual disorders, dysmenorrhea (abnormal leukorrhea with blood or blood clots), vaginal itching, frequent urination, retention of urine (dribbling or inability to urinate), constipation, eclampsia, insomnia, dry and sore throat, asthma and other conditions. If you need to use Zhaohai point for operation, it is recommended to go to the hospital in time to seek medical treatment by a professional Chinese medicine practitioner, do not blindly acupuncture, to prevent adverse effects on the body.