Some patients have severe rhinitis at night, often due to a dry living environment, especially in the north in the winter heating. In this case the temperature in the house will be very high, the air humidity is particularly low, the dryness of the nasal cavity will be more obvious, so the patient’s nasal congestion will be more serious. At night the patient had better spray water on the ground or turn on the air humidifier, after the air humidity reaches a certain level, the patient’s nasal congestion will be improved. You can also apply a layer of erythromycin ointment inside the nasal cavity before going to bed, which can effectively moisturize and also reduce inflammation and reduce the symptoms of rhinitis in patients. It is recommended to exercise more in life to improve their resistance, must pay attention to the work environment, to maintain the air humidity of the living environment.