Choline is a strong organic base, an important component of lecithin and sphingolipids, and is widely found in plants and animals. Choline mainly promotes the development of the brain, can improve memory, ensure the transmission of information, information transmission is mainly the role of acetylcholine, but also can regulate the apoptosis of cells. In addition, choline is an important component of biofilm, and also promotes fat metabolism, transmetabolism in the body, and can lower serum cholesterol. When choline synthesis is abnormal, it can lead to some disease conditions in the body and needs to be given appropriate treatment in time.