Currently used in the treatment of diabetes injection drugs are mainly two categories: 1, insulin, insulin is divided into short-acting insulin, premixed insulin, as well as long-acting insulin, each type of insulin injection method is not the same, the injection dosage is also adjusted according to the patient’s blood glucose. 2, GLP-1 agonists class of drugs, especially for obesity combined with diabetes mellitus, can inhibit the appetite center, increase the sense of satiety of patients, so that patients eat less, so as to achieve the therapeutic purpose of reducing body weight and controlling blood sugar. GLP-1 receptor agonists, especially for obese patients with diabetes, can inhibit the appetite center, increase the patient’s sense of satiety, so that patients eat less, thus achieving the therapeutic purpose of reducing body weight and controlling blood sugar.