When blood glucose is high, it is important to pay attention to the assessment to clarify the specific level of elevated blood glucose and further determine whether it is a physiological or pathological elevation and make an accurate diagnosis as much as possible. A good and accurate assessment of the condition is the basis for subsequent intervention and treatment. If the elevation is physiological, most of the blood glucose is normal at the time of review. If it is caused by certain diseases, the treatment will be based on different etiologies. High blood glucose secondary to some specific diseases should be treated with special attention to the primary cause. The most common high blood glucose caused by diabetes should be treated mainly from diet, exercise, monitoring and medication. Among them, diet other than medication should be paid attention to regularity and quantity, and then managed according to diabetic diet as much as possible. Generally food types are not strictly managed because the focus is on calorie intake, but foods with high glycemic index should be temporarily avoided when blood sugar is extremely high. Exercise is an important guarantee of good health and good blood glucose. Effective aerobic exercise should be performed, generally recommended at least 5 days a week, for not less than 30 minutes each time, with slight sweating. If medication is carried out, attention should also be paid to blood sugar monitoring to prevent hypoglycemia. There are many sugar-lowering health food products on TV and various advertisements, so pay attention to the distinction, even if they are regular products, they are not with direct sugar-lowering effect, but only lower calories, and cannot replace the sugar-lowering measures mentioned above. So don’t panic when there is high blood sugar, first find the cause of elevated blood sugar, and then choose the right method to lift high blood sugar with the right attitude.