Choline bitartrate, the choline’ s hydrogen tartrate ( with the choline’ s assay occupies 35% ) , is a nutritional supplement and fat remover. It can promote the fat’ s metabolism and prevent the fat’ s accumulation in liver. Being a vitamin product, it has been popularly applied to medicine, healthcare products and to be a nutritious additive in food. For it is easy to be absorbed and its side effect to people is low, the L( + ) choline bitartrate has being gradually replaced choline chloride and DL- choline bitartrate, to be as a food additive when being used for children and expectant mother. Choline bitartrate is easy to absorb moisture, for which, is a difficult problem to deal with when being used, and we adopt high-tech film former now to prevent the mositure absorbing happenning again effectively after a long time of studing. And the quality of which has reached to FCCIV and USP standards.