Cheap glucose-lowering drugs are as follows: 1. Metformin extended-release tablets or metformin enteric-coated tablets are very basic glucose-lowering drugs, cheap and very effective, and are also the first choice of drugs recommended by the guidelines. Metformin enteric tablets, eat 2-3 times a day, once to eat a piece, according to the patient’s blood sugar to adjust. There are gastrointestinal reactions to taking metformin enteric tablets, and abdominal pain and bloating may occur slightly. If it is metformin extended-release tablets, eat 1 time a day, once a maximum amount can eat 2000mg. 2, can use sulfonylurea hypoglycemic drugs, is also very cheap, the effect is also very good, such as gliclazide, glipizide, glimepiride and other hypoglycemic drugs. But any drug should be used after consulting a specialist.