1, it is generally recommended not to drink juice on an empty stomach.

2. Fruit juice is mainly a drink made of fresh fruit juice, with some honey or powdered sugar, which contains a lot of organic acids. If you drink fruit juice on an empty stomach, it is likely to increase the acidity in the gastrointestinal tract, thus stimulating the gastric mucosa and causing stomach pain and bloating. Moreover, drinking fruit juice on an empty stomach may cause excessive secretion of intestinal digestive juice, leading to abdominal pain and diarrhea. It is generally recommended to eat a small amount of food before drinking juice, which will help the digestion and absorption of food.