Blood glucose 3.5mmol/L belongs to the low range is not normal, the normal blood glucose concentration in human body is 3.6-6.1mmol/L, blood glucose 3.5mmol/L belongs to the low. If there is excessive hunger or dieting, hypoglycemia is likely to occur and affect the life safety, you should try to maintain a correct regular diet and eat more carbohydrate food. For example, rice, noodles, steamed buns and other food made from grains can be absorbed, metabolized and digested by the gastrointestinal tract, which can be effectively decomposed into carbohydrates and water, the most basic nutrients of the human body, and effectively absorbed by the human body, increasing the most basic energy and nutrition needs of the human body. At the same time, you should eat more fresh vegetables and fruits to supplement the body’s needs of sugar, protein, amino acids and other substances.