There are many kinds of hypoglycemic drugs for hyperglycemic patients, both oral and injectable preparations. Oral preparations include the following: sulfonylurea insulin stimulants, such as glimepiride, gliclazide, etc. Non-sulfonylurea insulin stimulants, such as regeneronide and nateglinide. Biguanide glucose-lowering drugs, such as metformin. Thiazolidinediones hypoglycemic agents, also known as insulin sensitizers, such as pioglitazone. There are also alpha glucosidase inhibitors, such as acarbose, voglibose, and miglitol. There are also novel hypoglycemic agents, such as DPP-4 inhibitors, such as sitagliptin, vildagliptin, and ligliptin. There are also SGLT-2 inhibitors, such as dagliflozin and enagliflozin. There are also injectable glucose-lowering drugs, such as insulin, GLP-1 receptor agonists, such as liraglutide, exenatide, dulcolactone, etc.