Schisandra, the name of Chinese medicine. It is the dry mature fruit of Schisandra chinensis (Turcz.) Baill. Xi is called "Schisandra". Distributed in Heilongjiang, Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Ningxia, Gansu, Shandong and other places. It has the effects of astringent and astringent, nourishing qi and promoting fluid, nourishing the kidney and calming the heart. It is often used for chronic cough and asthma, nocturnal emission, enuresis, frequent urination, chronic diarrhea, spontaneous sweating, night sweats, body heat and thirst, internal heat to reduce thirst, palpitations and insomnia.