The price of Chinese medicine lock yang is affected by its origin, quality, sellers and the current market supply and demand factors, there is no uniformly specified price. The current retail price in the market ranges from 30 yuan to 50 yuan per catty. Lock yang, for the lock yang family plant lock yang dry fleshy stems. Its sweet and warm, into the kidney meridian, can replenish kidney yang, benefit essence and blood, can treat impotence and slippery semen, infertility, lumbar and knee soreness and weakness (lumbar and knee soreness and weakness feeling), sinew and bone weakness and so on. Its texture moist, into the large intestine meridian, can benefit the essence and blood, lubricate the intestines and laxative, suitable for the essence and blood deficiency of intestinal dryness and constipation. It should be noted that lock yang can help yang, slippery bowel, so yin deficiency fire (body Yin essence loss, the emergence of excessive fire), hot constipation, loose stools should not be taken. To purchase Lock-Yang, you need to go to the regular market to ensure its quality. The use of this product should be under the guidance of a professional physician, and should not be used on its own to avoid adverse consequences.