Choline chloride is widely used as a feed additive. Its main function is to supply methyl group in cellular formation. It is in fact an essential component for ensuring the proper functioning of the nervous system. Many animals, such as poultry, livestock and fish have heavy requirements to choline. Choline prevents fat accumulation and denaturation of liver and kidney as well as perosis. Its shortage will result in a retarded growing, uncoordinated movements, and poor fertility etc., Choline chloride is the best form of choline salts.