Blood glucose 4 hours after meal instead of rising consider the treatment plan is not suitable for the patient, rebound blood glucose rise and other factors, depending on the cause of blood glucose rise, need to take different ways of treatment. For example, patients with inappropriate treatment plan should go to the hospital for consultation and reformulate the treatment plan under the guidance of the doctor. 1. Inappropriate treatment plan: Diabetic patients with 4 hours postprandial blood glucose rise may be the result of unreasonable treatment plan, such as the use of low dose of long-acting insulin, can not control the 4 hours postprandial blood glucose concentration and so on. At this time, you need to go to the hospital, ask the doctor to make a judgment and give a treatment plan. 2. Rebound blood glucose elevation: If hunger occurs 4 hours after meal, the human body may have hypoglycemia under the state of starvation, and at this time, the body starts the self-protective mechanism, which makes the secretion of glucagon and other glucose-raising hormones increase, and causes the patient’s blood glucose rebound elevation. In addition, the patient eating may also cause blood glucose rise, appearing 4 hours after the meal blood glucose instead of the situation recommended to go to the hospital, please ask the doctor to judge and deal with, so as not to delay the condition.