Barley seedling has the effect of inducing dampness, eliminating yellowing, skin care and astringent sores, and can be used for the treatment of jaundice, dysuria (unsmooth urination) and other diseases. Barley seedling has the effect of inducing dampness and eliminating yellowing, protecting skin and astringing sores, and is used in the treatment of jaundice, frostbite, chapped skin, dysuria, loss of appetite, fullness of stomach and intestines and other diseases. Barley seedling as a traditional Chinese medicine, can be taken internally or externally, can be taken internally by decoction or mashed juice, external use of decoction often wash. The adverse reactions and contraindications of barley seedling are not clear at present. Barley seedling belongs to the Chinese medicine, need to be under the guidance of the doctor to identify the evidence and follow the doctor’s instructions to take, can not be arbitrarily used to avoid adverse reactions.