Improve the stability of the drug. Protects active ingredients from physical and chemical factors such as oxygen, moisture, alkali, light and heat. (eg enzyme preparations, vitamins, micro-ecology and penicillin, etc.);

Reduce the damage and loss caused by high temperature and high humidity during granulation (vitamin C, enzyme preparation, microecological preparation);

Reduce the destruction of active ingredients in the stomach (antibiotics, microecological preparations, enzyme preparations and other substances that are easily destroyed by gastric acid or gastric enzymes);

Reduce the irritation and corrosion of the active ingredients on the stomach (organic acids and quinolones and other non-steroidal anti-inflammatory drugs, etc.);

Cover the bad smell and taste of the drug, reduce the irritation and side effects of the drug; (sodium butyrate, antibiotics and anionic salts);

Prevent compatibility changes, shield various digestive enzymes in the digestive tract from various biochemical decompositions of medicine molecules, and maximize the full use of the active ingredients of the drug (calcium chloride, dihydropyridine, sodium arsenite and vitamins)；

Controlled release, sustained release and targeted release in the gastrointestinal tract (short bond fatty acids, microecological preparations and some antibiotics);

Pass the rumen (choline, methionine, lysine, vitamin A, vitamin C, folic acid, etc.);

Avoid dust and static charges (antibiotics, enzyme preparations and other powder materials);

Reduce the loss of amino acids and vitamins in water (vitamin C, methionine, lysine, etc.)