Treatment of diabetic hyperkalemia generally requires separate treatment for diabetes and hyperkalemia. 1. Diabetes mellitus: Patients with diabetes mellitus need to control their daily caloric intake and engage in moderate exercise. In addition, patients need to monitor their blood glucose and learn about diabetes and its complications. In addition, patients need to use sulfonylureas such as glibenclamide and glipizide, or thiazolidinediones such as pioglitazone and rosiglitazone under the guidance of a doctor. Some patients can also be treated by injecting insulin such as rapid-acting insulin and long-acting insulin. 2. Hypokalemia: Patients with hypokalemia need to eat potassium-rich foods, such as bananas and oranges. For patients with hyperkalemia, potassium agents such as potassium chloride and potassium citrate can also be used under the guidance of doctors. In addition, it is also necessary to treat the primary cause of hyperkalemia. If the hyperkalemia is caused by adrenal tumor or pituitary adenoma, it is necessary to take adrenal tumor or pituitary adenoma removal surgery to treat the hyperkalemia. It is recommended that patients with diabetes mellitus and hyperkalemia should seek prompt medical attention, and the doctor will choose appropriate measures to treat the patient’s condition.