1. Water chestnuts and pork belly are incompatible: eating them together can cause abdominal pain.

2. Water chestnuts cannot be eaten with cold foods. Eating them together will cause physical discomfort.

3. People with spleen and stomach deficiency, loose stools and diarrhea, and insufficient kidney yang should not eat it.

4. Water chestnut is rich in starch, protein, glucose, unsaturated fatty acids and multiple vitamins, such as vitamins B1, B2, C, carotene and trace elements such as calcium, phosphorus and iron. The ancients believed that eating more water chestnuts can nourish the five internal organs, eliminate all kinds of diseases, and lighten the body. The so-called lightening of the body means that it has the effect of weight loss and bodybuilding, because water chestnuts do not contain fat that makes people fat.