Influenza A is influenza A. Patients with influenza A can eat watermelon in appropriate moderation. Influenza A is caused by influenza virus infection, dietary improvement at the same time must be under the guidance of a physician to apply medication. 1. Influenza A patients as long as a moderate amount of watermelon, and will not aggravate the condition, watermelon belongs to the fruit food, rich in vitamins and water, can replenish the body needs. However, patients should not eat watermelon without restraint, especially overnight watermelon, otherwise it may lead to discomfort or aggravate the condition. 2. Patients need to be under the guidance of a doctor as soon as possible to apply oseltamivir phosphate and other antiviral drugs to treat fever above 38.5 ℃ oral ibuprofen and other fever-reducing drugs to symptomatic treatment can be. Because influenza has a certain degree of contagious, so should do a good job of isolation measures, the application of drugs must follow the doctor’s instructions.