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, you can use sulfonylurea hypoglycemic drugs, also very cheap, the effect is also very good, such as gliclazide, glipizide, glimepiride and other hypoglycemic drugs.