Patients with high blood sugar can eat yam crackers, but it is recommended to eat less or not eat. Thinly sliced yam cookies in the cooking process in order to ensure taste will add a lot of sugar, and fat content, calories are high, so patients with high blood sugar is not recommended to eat a lot of thinly sliced yam cookies, otherwise it will cause a large fluctuation in blood glucose, which is not conducive to the control of blood glucose. Patients with high blood sugar should maintain a healthy diet, avoid eating cookies, which are high in sugar and fat, and eat fresh vegetables, fruits and other healthy foods. Patients with high blood sugar should also standardize the use of hypoglycemic drugs under the guidance of a doctor and do a good job of monitoring blood sugar.