Drinking fruit juice in moderation is generally not harmful, if you are allergic to the fruit made into juice may appear skin edema, itching, etc. In addition, a large number of drinking fruit juice will cause gastrointestinal burden. Fruit juice is a variety of fruits as raw materials, through physical methods, such as pressing, extraction and other ways to get the product. Fruit juice contains most of the nutrients of fruit, such as sugar, vitamins, minerals and dietary fiber. Usually, drinking fruit juice is not harmful, but can also provide the body with certain nutrients, which is conducive to good health. However, if you are allergic to fruits made into fruit juice, you may experience allergic reactions such as skin edema, itching, and in severe cases, dehydration and respiratory distress. In addition, if you drink a lot of fruit juice, it may also cause a burden on the stomach and intestines, bloating, diarrhea and other phenomena, but also lead to increased burden on the kidney filtration.