Choline Chloride has essential functions in the body of human being and animals.  It is  generally  classified as a Vitamin of Bcomplex.Choline occurs in manmade in the form of choline chloride, It is used by most animals as a precursor of acetyl choline, which influences the  transmission  of impulses from nerves to muscles.It is also used as a source of methyl groups. In  feed, the content of natural choline chloride limited. It can not satisfy complete demand for the animal growing.Therefore, choline is widely used as feed additive at home and abroad. It will stimulate the animal or poultry`s growth, put on their weight rapidly and boost up the body`s immunity function.It has prominence effects on improving the quality and quantity of eggs and meat. On the contrary, shortage of choline may cause liver diseases, retarded growth,perosis,reduced egg laying  rate and increased mortality.