It is okay to eat some watermelon when you have a cold and cough, because the water content of watermelon is very large, so when you have a cold and cough, you are usually more dehydrated and need to replenish a lot of water. Because even if you don’t eat watermelon, the doctor will tell you to drink as much water as possible when you go to see a cold doctor. But one problem with watermelon is that many people like to eat chilled watermelon. When you have a cold and cough, the condition of your body is relatively weak, it needs to resist the evil and mobilize the immune system, so sometimes you feel quite weak, more tired, and your strength is not good, but at this time if the watermelon is chilled and cold, it is especially easy to hurt the righteousness, so if you eat watermelon try not to chill it. There is also a total not to eat too much, because when the cold spleen and stomach condition to be bad, eat too much watermelon may lead to diarrhea, so generally if the cold has been accompanied by diarrhea, try not to eat watermelon. But if you have a cold with dry stools or even a fever, you can use watermelon, because watermelon is called natural Bai Hu Tang in Chinese medicine, so for some fever symptoms, watermelon can directly reduce the fever.