Influenza, i.e., influenza, patients can eat watermelon, which provides the organism with nutritious elements, it is recommended to eat sparingly, and it is forbidden to eat in case of allergies. Patients suffering from influenza should take a light diet and pay attention to rest. Patients suffering from influenza can eat watermelon, watermelon has a high nutritional value, every 100g of watermelon contains 56g of water, 5.8g of carbohydrates, 0.6g of protein, 0.3g of dietary fiber, 0.1g of fat and a variety of nutrients, appropriate consumption can be supplemented for the body nutrients. However, it is not recommended to eat more watermelon, watermelon contains dietary fiber, eating too much may appear abdominal pain, diarrhea and other gastrointestinal symptoms. However, if the patient is allergic to watermelon, it should not be eaten to prevent the occurrence of allergic symptoms such as rashes and itching all over the body. Patients suffering from influenza should improve their diet and reduce spicy and stimulating foods, such as chili peppers and ginger. Patients should ensure adequate rest and should not stay up late. Patients with influenza can eat watermelon, but patients should consult a doctor in time and follow the doctor’s instructions for treatment.