Misgurnus anguillicaudatus is flat in nature and sweet in taste, and has the functions of regulating middle warmer, benefiting qi, strengthening yang and diuresis. Can be used for treating diabetes, acute and chronic hepatitis, dysuria, damp-heat stranguria, impotence, hemorrhoid shedding, and malnutrition in children. One-sided loach can be dried in the sun and ground into powder, each time 10g, and taken orally three times a day. It has a certain curative effect.