Bilberry is extremely rich in nutritional value, containing unsaturated fatty acids, protein, crude fiber and other nutrients. Moderate consumption can replenish nutrients and provide energy for the body. Bilberry, also known as hickory, is a kind of nut food. Every 100 grams of blueberries contain 691 kcal of energy, 9.17 grams of protein, 9.6 grams of crude fiber, 40.8 grams of monounsaturated fatty acids, 29 micrograms of carotenoids, 26 micrograms of lutein, 121 milligrams of magnesium, 410 milligrams of potassium, vitamin A 16.8 micrograms of vitamins, 287 milligrams of lysine, and many other nutrients. Moderate consumption of Bilberry can provide the body with the nutrients needed by the body and provide energy. However, over-consumption may cause indigestion, resulting in abdominal pain, diarrhea, bloating and other gastrointestinal discomforts. Bilberry has high calorie content, which can lead to obesity if consumed in large quantities over a long period of time. It is recommended that when consuming blueberries, pay attention to control the amount and do not overeat, so as not to cause discomfort. Those who are allergic to blueberries should not consume blueberries.