Celery juice generally does not cause significant increase in blood sugar. Celery juice contains protein, fiber and vitamins and other nutrients, and calories, fat content and glycemic index is low, so diabetic patients can drink celery juice, help to replenish nutrients, but will not cause a significant increase in blood sugar. Although celery juice is nutritious, but it is not recommended to drink too much at once, so as not to cause diarrhea, abdominal pain and other gastrointestinal discomfort. In addition, high blood sugar patients drink celery juice, it is not recommended to add sugar, rock sugar, condensed milk and other sugar additives, so as not to raise blood sugar. Consult your physician or dietitian for specific dietary combinations. Patients with diabetes should also cooperate with doctors to standardize treatment and maintain a healthy diet.