18-year-old boy with a sore throat, respiratory tract infection when eating fruit no special restrictions and recommendations, can be selected according to preference, fruit is just a food, and no treatment of disease. Upper respiratory tract bacterial or viral infection, there will be symptoms of sore throat, this time to eat some fruit, can reduce the discomfort of the throat. There is no special recommendation or restriction on the type of fruit, such as watermelon, pear, dragon fruit, cantaloupe, grapes, strawberries and so on. Note that it should be eaten in moderation. Eating fruits in moderation can replenish water, vitamins, minerals and other nutrients for the human body, but eating any fruit has no effect on treating respiratory infections. When respiratory tract infection causes sore throat, you should also drink plenty of plain water, avoid smoking and drinking, and avoid eating spicy and stimulating food. Mild infection 5-7 days can be improved or even cured, the infection is more serious need to take oral medication, such as ceftazidime, compound cold spirit particles, Pudilan oral solution, honeysuckle granules, etc., the medication needs to be based on the specifics of the infection, follow the doctor’s instructions to take, do not blindly take on their own.