1. Boiled water with water chestnuts, which some people with spleen and stomach deficiency and cold, old and weak, and poor digestive ability can't eat.

2. Eleocharis tuberosa has a very good effect. It has the functions of clearing away lung-heat, resolving phlegm, moistening intestines and relaxing bowels. However, Eleocharis tuberosa is a cold food, which is relatively cold. Some people with poor stomach and spleen-stomach deficiency will cause gastrointestinal discomfort, abdominal pain, diarrhea and other phenomena after eating it. These people are not suitable for drinking Eleocharis tuberosa. If you don't know what kind of physique you are, you can drink less first, and then drink more appropriately to see the reaction.