Patients with colds and runny noses can usually eat watermelon properly if it is not accompanied by diarrhea and high blood sugar. Appropriate consumption of watermelon by patients with colds and runny noses will not affect the recovery of the condition in most cases, and may even serve to replenish water and replenish sugar. If the gastrointestinal function allows, appropriate intake of watermelon may have some help for the condition. However, patients with colds need to pay attention to eating watermelon, do not eat chilled watermelon, otherwise it may lead to coughing and other symptoms of aggravation. In addition, you also need to exclude a few contraindications to eating watermelon, such as cold patients with diarrhea and other symptoms, it is recommended not to eat watermelon, if the cold patients have diabetes is also recommended not to eat watermelon.