Summer vacation at home children almost the whole day to use air conditioning, the rhinolaryngologist to give a reminder, adolescents and young people’s immune mechanism is not perfect, resistance is relatively poor, especially allergic children in this season is more likely to suffer from “nose disease”. Many parents reported that their children recently inexplicably nose itching, sneezing, nasal congestion and other symptoms, become wilting, slow reaction, sleep at night, open mouth breathing, but also often snoring. Ear, nose and throat chief physician explained that the common symptoms of rhinitis in adolescents are continuous nasal itching, sneezing, runny nose and nasal blockage, sneezing in the early morning and hot and cold stimulation after the most obvious, nasal blockage can only be open-mouth breathing. As a result of a long time to open the air conditioner leads to a large temperature difference between indoor and outdoor, in and out of the hot and cold alternation will stimulate the nasal cavity, in addition to the air conditioning temperature, humidity is relatively suitable for mold, mites breeding, in the closed room to open the air conditioning, dust, mold, mites will be blown into the nasal cavity with the wind. For allergic children, these may become allergens trigger allergic rhinitis. Teenagers are in a critical period of growth and development, children suffering from rhinitis, there is often a lot of snot, snot stagnation of the nasal passages can easily lead to otitis media, affecting hearing, in addition to long-term nasal congestion will lead to poor mood, lack of oxygen to the brain, the child will appear in class inattentive, not quick thinking, memory loss, periodic headaches, vision loss and other symptoms. Parents who find their children with symptoms of rhinitis should take their children to the hospital for examination and treatment as early as possible, and it is best not to take medication without authorization in order to prevent the transformation into chronic rhinitis or medicated rhinitis. Rhinitis in adolescents has a strong relationship with genetic factors and allergies. If parents have a history of rhinitis, or if their children are allergic, they should prevent rhinitis from occurring early, and treat the symptoms as soon as they appear. If your child already has rhinitis, in addition to following the doctor’s instructions for medication, you should also pay attention to the daily care of the nose, do not blow the nose too much, and wash the nose with light salt water every day to keep the nasal passages clean and moist.