1, pineapple must be soaked in salt water before eating, because pineapple contains some glycosides and bromelain, which has a certain stimulating effect on human body and cannot be eaten directly.

2. People with ulcer, kidney disease and blood coagulation dysfunction are not suitable for eating pineapple, so as not to aggravate the condition.

It should also be noted that some foods can't be eaten with Poirot, such as eggs, radishes and milk. Eating together may cause discomfort or affect the body's nutrient absorption.

4. People with allergic constitution should eat pineapple carefully to avoid allergic reactions such as diarrhea, vomiting and dyspnea.

5, pineapple is an acidic fruit, so if people have symptoms such as periodontitis and oral ulcers, in order to avoid irritating the mouth, it is best not to eat.

6. Patients with stomach diseases such as gastric ulcer and gastritis should also be careful to avoid gastric acid reflux or stomach irritation.