The purified tea polysaccharide protein is a combination of tea polysaccharide and glycoprotein. Purified from natural special tea with unique patented technology, it also contains more than 20 kinds of amino acids and trace elements such as calcium, magnesium, iron and manganese. It not only greatly enhances the hypoglycemic effect of tea polysaccharide, but also supplements a variety of amino acids and trace elements. This not only solves the purpose of lowering blood sugar of diabetic patients, but also supplements various amino acids and trace elements that diabetic patients need daily, and ensures malnutrition caused by diet control of diabetic patients.