He Shouwu boiling water to wash the head is generally no clear harm, raw He Shouwu decoction water external wash has a certain detoxification, anti-itching effect. Raw He Shouwu has the effect of intercepting malaria, laxative, detoxification and elimination of carbuncle. It can be used for rashes, itching, sores, scrofula (mainly refers to the neck lymph node tuberculosis), intestinal dryness and constipation. Prepared He Shou Wu has the effect of benefiting essence and blood, strengthening muscles and bones, tonifying the liver and kidney, making beard and hair black, resolving turbidity and lowering fat (cleansing the body of turbid substances and reducing excess body fat). It is used for premature whitening of beard and hair, dizziness and tinnitus, blood deficiency and yellowish color, leakage (excessive menstrual flow or more than a few drops) with lowering of the belt, lumbar and knee soreness and weakness (lumbar and knee soreness and weakness), numbness of limbs and so on. He Shouwu boiling water to wash the head is generally no clear harm, raw He Shouwu decoction water external wash has a certain detoxification, anti-itching effect, can be used for rubella itching and other diseases. Raw He Shouwu slippery intestine, loose stools should not be used. The system of he shouwu phlegm and dampness in the person to avoid using. He Shouwu should be standardized under the guidance of a doctor to identify the use.