Choline chloride can be used as a nutritional additive. Choline chloride is a plant photosynthesis accelerator, which has obvious effect on increasing yield. It can be used in corn, sugar cane, sweet potato, potato, radish, onion, cotton, tobacco, vegetables, grapes, mango and so on to increase yield. It is used to treat fatty liver and cirrhosis. It is also used as a feed additive for poultry and livestock. It can stimulate the ovary to produce more eggs and eggs. It can also increase the number of eggs in poultry and fish. It can promote adipose metabolism, prevent adipose accumulation in liver. As a vitamin product, it is widely used in medicine, health care products and food nutrition addition. As a food additive, choline chloride has been favored by domestic users because of its high content of choline (85%) and low price.