【Introduction】Schisandra is sour, sweet and warm. It has the function of convergence, supplementing qi and promoting the production of body fluid, tonifying kidney and calming nerves. It is widely used in counter cough, asthma, nocturnal emission, enuresis, frequent urination,diarrhea, spontaneous sweating, night sweats, fluid and thirst, short Qi, heat diabetes, heart palpitations and insomnia.