High blood sugar is divided into two cases, normal people with elevated blood sugar after meals, diabetic patients with poor glycemic control of high blood sugar, generally speaking, jogging for an hour is good. Normal people will experience blood sugar peak after meals, this time to measure blood sugar will be higher, but does not affect the exercise, while appropriate exercise is good for health. Exercise therapy is a treatment for diabetes, diabetic patients with poor glycemic control, through exercise to enhance tissue sensitivity to insulin, which is conducive to glycemic control, exercise therapy for mild to moderate type 2 diabetes and type 1 diabetes to receive insulin therapy for patients with stabilized conditions, but if the combination of acute infections, cardiac insufficiency, cardiac arrhythmia, should not be carried out for the time being exercise therapy. In conclusion, it is recommended that patients combine their own conditions and the recommendations of endocrine specialists to make a comprehensive judgment before exercise.