The treatment of swollen feet in diabetes requires lowering blood glucose, as well as treatment of complications such as diabetic nephropathy, cardiac insufficiency, diabetic foot, etc. Diuretics can be used appropriately to relieve the symptoms of edema. Swollen feet in diabetes are mostly due to complications arising from prolonged high blood glucose such as diabetic nephropathy, cardiac insufficiency, diabetic foot, etc. The diagnosis can be confirmed by relevant laboratory tests. First of all, we need to lower blood sugar to stop the progress of complications, can take metformin, insulin injections and other drugs to lower blood sugar. At the same time, symptomatic treatment for complications such as improving cardiac function, nutritional neurovascular, etc. can be carried out. For edema, diuretics can be used appropriately to relieve symptoms. It is recommended that patients seek timely medical treatment to clearly diagnose the causes of foot swelling, maintain blood glucose in the target range, and treat the symptoms, not self-medication.