Lock yang herb is a commonly used valuable Chinese herbal medicine, which is mainly derived from the fleshy stems of perennial parasitic herb lock yang dried and sliced. The main effect is to tonify the kidneys and benefit the essence, moistening and laxative, with the treatment of impotence, premature ejaculation, spermatorrhea, spermatorrhea, aphrodisiacs, and also has a very good effect on the lumbar and knee soreness, lumbago, leg pain caused by the deficiency of essence and blood. In the use of a certain amount of cases, also has to increase gastrointestinal peristalsis, the treatment of intestinal dryness and constipation as well as laxative effect. However, lock yang herb should be paired with other kidney tonic drugs, such as cistanchis, cuscuta, wolfberry, ripe earth, etc., according to the different conditions of the use of the combination, but also can be used together with the increase in immunity and enhance the resistance of the tonic drugs, for cancer patients, paralyzed patients have a very good adjuvant therapeutic effect. For women, lock yang can also remove free radicals and slow down the aging process. So lock yang this kind of Chinese medicine in daily life can be consumed, but also not recommended for long-term use, because after all, it is medicine three times poison.