Diabetic patients are prone to complications such as perianal abscesses, anorectal fistulas and other infection-related diseases due to high blood glucose, which affects the normal function of white blood cells in the blood and causes metabolic disorders in the body, resulting in lower resistance. The anal fistula in diabetic patients is mostly transformed from perianal abscess, and surgery can be performed while actively controlling blood sugar. It is important to change the medication for high fistulas. It is very important to change the medication of high fistula. At this time, in a regular hospital, you can disinfect the inner opening with the aid of anoscope, fill the inner opening with insulin gauze to drain the fistula, and follow the doctor’s instructions to strictly control blood sugar, together with internal Chinese medicine and external Chinese medicine decoction in a bath. As long as you adhere to this comprehensive treatment, the anal fistula of diabetic patients can be cured.