It is possible to eat watermelon with herpes pharyngitis. During the illness of herpes pharyngitis, you must eat more fresh vegetables and fruits, nutritious and easy-to-digest food, avoid spicy and stimulating food, and not eat too hot and too cold food. Herpes pharyngitis is contagious and is usually more common in children. Tableware and toys used by children must be sterilized to avoid cross-infection. Herpes pharyngitis can also be gargled with light salt water, or gargle with oral care solution, oral vitamin C to enhance immunity. If herpes pharyngitis has a fever, you can use antipyretics such as Merrill Lynch and Ibuprofen, and antiviral treatment can be given orally with ribavirin and acyclovir. Herpes pharyngitis usually does not require antibiotics and can be recovered in 1-2 weeks with prompt treatment.