1. Red beans can't be boiled with rice, otherwise it will easily lead to aphtha in the mouth.

2. Red beans have certain medicinal properties. After entering the body, they have good diuretic and repercussive effects and keep promoting heart activity. However, if salt is added to the cooking process of red beans, it will not only fail to improve the efficacy, but even reduce the efficacy.

3. Red beans have a good diuretic and detumescence effect, and can also effectively accelerate the intestinal peristalsis. It is suggested that some patients with weak gastrointestinal function should not be greedy when taking red beans daily.

4. Chinese medicine believes that red bean is sweet and has diuretic effect after taking it. Therefore, you must not eat more in peacetime, otherwise it is easy to have too much urine and lose weight.

5. If you are accidentally bitten by a snake, it is recommended not to take red beans within 1 days to avoid affecting your health.

6. Red beans should not be taken together with mutton, liver and tripe, otherwise it will do great harm to the body and easily lead to poisoning.

7. Patients with excessive urination are not advised to take more red beans, otherwise the frequent urination will be more serious.