Weakness of diabetic legs needs to be clarified, which may be related to diabetic vasculopathy, peripheral neuropathy, hypoglycemia, etc. It needs to be treated by improving the circulation and nourishing the nerves. 1. Diabetic vasculopathy: long-term high blood sugar can lead to lower limb vascular sclerosis, narrowing, lower limb blood supply is insufficient, resulting in weakness of legs. While controlling blood glucose, medicines to improve circulation, such as prostaglandin, can be used to alleviate the symptoms as prescribed by the doctor. 2. Diabetic peripheral neuropathy: long-term high blood sugar can lead to peripheral nerve damage, manifested by abnormal sensation, numbness, loss of sensation, weakness of lower limbs, muscle strength decline, you can follow the doctor’s advice to use drugs such as methylcobalamin to help alleviate the symptoms. 3. Hypoglycemia: excessive use of hypoglycemic drugs or eating too little can lead to hypoglycemia, hypoglycemia can cause symptoms of weakness of legs, blood sugar should be monitored in a timely manner to clarify the diagnosis, you can relieve the symptoms of weakness of legs by taking sugar water orally, and at the same time, you should consult with your doctor to adjust the medication. Diabetic leg weakness needs timely medical attention, examination and treatment under the guidance of the doctor.