1. Pear: Pear can clear away heat, promote fluid production and relieve alcohol poisoning, but it is best not to eat it during a cold. Many people mistakenly believe that eating raw pears has the effect of relieving cough and resolving phlegm. In fact, eating raw pears during a cold will only lead to more phlegm and more serious cough. This is mainly because raw pears are cold, and many people mistakenly think that eating raw pears also has the effect of relieving cough and resolving phlegm. Results The more pears you eat raw, the more phlegm you have, and the more serious your cough is. Because raw pears are cold, the cough of patients' friends will be more serious. You'd better stew them before eating.

2. Watermelon: At the beginning of a cold, eating watermelon is equivalent to taking medicine to clear away heat, which will only aggravate the cold virus or extend the treatment time. When a patient's friend has symptoms such as high fever and yellow urine, everyone can eat some watermelon, which will help to recover from a cold.

3. Oranges: Oranges taste cool and sour. When the cold is not solved, everyone should eat some spicy food to dispel the cold. Oranges are not conducive to the external explanation of cold pathogens, so everyone should avoid eating them.

4. Tomatoes: People who are cold, weak or have a cold must eat them carefully. You can have some tomato and egg soup.