When blood sugar increases, it is recommended that it is best to avoid the following foods: First, foods containing more salt. Eating too much salt can cause an increase in blood pressure due to increased blood volume. Adding to the burden on the kidneys, fundus and the heart, prompting or aggravating vascular complications. Second, too greasy food. Do not eat too greasy food, especially food containing animal fats and oils, such as fried food, food made of animal fats and oils. Because these foods contain a large number of saturated fatty acids, which can contribute to the increase in blood lipids, blood viscosity, prompting or aggravating atherosclerosis. Third, try not to eat spicy and irritating food, such as spicy chili, pepper, mustard, pepper, etc.. These foods can cause the symptoms of diabetes to aggravate the three more and one less. Fourth, can not eat food containing more sugar, high sugar content of food after eating will make the patient’s blood sugar rise rapidly. You can eat more fiber-rich foods, such as celery, bitter melon, coarse grains, etc.