In the absence of allergies, excessive consumption of blueberries may cause gastrointestinal disorders and symptoms such as bloating and abdominal pain. Blueberries are a common fruit, containing certain nutrients, in the absence of allergies under the premise of moderate consumption will not cause the human body to experience any discomfort, but excessive consumption can cause digestive disorders, resulting in abdominal pain, bloating and other gastrointestinal discomfort. Each 100 grams of blueberries contains 57 calories, of which carbohydrates are 14.49 grams, protein 0.74 grams, 0.33 grams of fat, 2.4 grams of dietary fiber, vitamin C 9.7 mg. Moderate consumption can provide a certain amount of calories and carbohydrates, and dietary fiber is relatively rich, which can promote intestinal peristalsis. In addition, the nutrients in blueberries include flavonoids (anthocyanins), the content of which ranks high among similar foods and has a good antioxidant effect, moderate consumption of which has certain nutritional value for the human body. According to the dietary guidelines for Chinese residents, it is recommended that each person’s daily intake of 200-350 grams of fruit, which is conducive to good health.