There are several main drugs used in the western treatment of diabetes. First of all, lifestyle interventions, i.e. diet control and exercise therapy, should be carried out for diabetic patients. If the patient’s blood glucose cannot be controlled in the ideal range, it is necessary to use medication, and the main types of western medication for diabetes are as follows: 1. metformin, which is the only kind of medication available today, and its main role is for obese patients, which can reduce the patient’s weight and also reduce the output of liver glycogen, which can suppress appetite to a certain extent; 2. alpha-glucosidase inhibitors, whose main role is to slow down the absorption of sugar in the stomach and intestines. and intestinal absorption of sugar. Commonly used are mainly acarbose, imported bactrim, voglibose, miglitol and other drugs; 3, sulfonylurea hypoglycemic drugs, we all know that Damecam, glipizide, glimepiride, these drugs mainly stimulate the secretion of insulin by the pancreatic beta cells; 4, non-sulfonylurea pro-secretory agents, representative drugs are Repaglinide, naglinide and Miglinide; 5, insulin sensitizers, also known as thiazolidinediones. 5, insulin sensitizers, also known as thiazolidinediones. This class of drugs is now temporarily available in China as pioglitazone and rosiglitazone. Internationally, it is suspected that rosiglitazone has increased the risk of cardiovascular disease, and then the drug is temporarily not used, but now there is only one drug in this class called pioglitazone; 6, diabetes treatment and many insulins, insulin is mainly divided into three generations, the first generation of insulin is mainly pig insulin, animal insulin called conventional insulin, and is still in use today. The second generation insulin is recombinant human insulin. The third generation insulins, namely insulin analogues, are divided into ultra-short-acting insulins, short-acting insulins, medium-acting insulins and long-acting insulins by their duration of action; 7. New diabetes treatment drugs are also emerging, and today there are GLP-1, called glucagon-like peptide-1 analogues, and DPP-4, called dipeptidyl peptidase 4 inhibitors. These two drugs can mainly inhibit the secretion of glucagon by pancreatic alpha cells, but also reduce gastric emptying, increase satiety, and can suppress the appetite center, which are new drugs. There is also a drug called SGLT-2, which is sodium-glucose transporter protein inhibitor 2. This drug mainly inhibits glucose reabsorption by the glomerulus and promotes glucose excretion from urine, thus achieving a glucose-lowering effect. Nowadays, GLP-1 and SGLT-2 have two highlights: 1. they have a protective effect on the heart; 2. they have a protective effect on the kidney. The drugs used to treat diabetes are roughly as described above. Diabetes requires individualized treatment and the choice of many drugs varies from person to person. Patients with insufficient medical support should go to a specialized hospital to see a specialist in endocrinology to choose a treatment plan. It is not right to follow the clouds and hear that others are well treated with any drug and take that drug for yourself. It is correct to let a professional endocrinologist in the diabetes department to help develop a treatment plan that is appropriate for the individual patient.