Leek seeds should be leeks, kidney yang insufficiency, essence and blood deficiency of the elderly can be appropriate to use lock yang and leeks in water, but note that the therapeutic effect is limited, and should be under the guidance of a physician to use the drug. Lock Yang and leeks for Chinese medicine, together with the water, there is a certain tonic kidney Yang (the role of tonic kidney Yang), beneficial effects of essence and blood, but the medicinal properties analyzed is limited, can not replace the drug treatment. Lock yang is the dry fleshy stem of lock yang plant lock yang family, has the effect of tonifying kidney yang, benefiting essence and blood, lubricating bowel movement, is conducive to improving or treating kidney yang insufficiency, deficiency of essence and blood, lumbar and knee impotence, impotence and slippery spermatozoa, and constipation of intestines and bowel dryness. Because lock yang can help yang, slippery bowel, so yin deficiency fire, loose stools, hot constipation is not suitable for people. Leek seeds are the dried mature seeds of leeks of Liliaceae, with the effect of warming the liver and kidney, strengthening the yang and fixing the essence, which is effective in improving or treating the deficiency of the liver and kidney (weak function of the liver and kidney), lumbar and knee aches and pains, impotence and spermatorrhea, dysuria, dyspareunia, and leucorrhea (turbidity of the urine such as white slurry) with hypogastric discharges. However, people with yin deficiency and fire are not recommended to take leek seeds to prevent aggravation of the condition. It is not recommended that people without kidney yang deficiency (lack of yang energy in the kidneys), deficiency of essence and blood and other conditions, as well as yin deficiency and fire (deficiency of yin essence in the body, the appearance of hyperactive fire), loose stools, constipation of hot knots blindly brewed water to drink. Chinese herbs should be used rationally under the guidance of a doctor’s diagnosis, do not blindly use your own medicine.