There are many causes of numbness in the hands and feet. On the one hand, it may be due to poor peripheral blood flow, and the numbness may occur due to insufficient local blood supply to the hands and feet. On the other hand, it may be due to nerve compression or peripheral neuritis, patients can go to the hospital to identify the specific causes, targeted treatment. Pay attention to keeping warm, and take local massage and physiotherapy to see if the symptoms are reduced. Avoid contact with cold items, strengthen physical exercise, follow medical advice on medication, and review promptly after treatment to avoid endangering health.