1. Milk and soybean milk: These two foods contain a lot of protein. If you drink it on an empty stomach, protein will be "forced" to convert it into heat energy and consume it, which will not play a nourishing role. The correct way to drink it is to eat it with snacks, cakes and other foods containing flour, or drink it two hours after meals or before going to bed.

2, tea: drinking tea on an empty stomach will dilute gastric juice, reduce digestive function, but also cause "tea drunk", manifested as palpitations, dizziness, headache, fatigue, unstable standing and so on.

3, orange juice: sesame oil in fruit acid will also stimulate mucosal inflammation, experts recommend drinking orange juice after drinking porridge. Or orange juice can be frozen for 10- 15 minutes, which can effectively reduce sesame oil in it.

4. Pineapple: You can't eat pineapple on an empty stomach. This is because pineapple contains strong enzymes. If you eat on an empty stomach, it will seriously harm your gastrointestinal health. Moreover, the nutrients contained in pineapple must be completely absorbed by the human body after eating.

5. Bananas: Bananas contain more magnesium. Eating bananas on an empty stomach will suddenly increase magnesium in the human body, destroy the balance of magnesium and calcium in human blood, and thus inhibit the cardiovascular system, which is not conducive to health.