Allergic rhinitis is more serious in the morning, considering that the low temperature in the morning, stimulation induces the patient to appear nasal mucosal nerve excitation caused by. Allergic rhinitis is an allergic reaction caused by the body’s type I metamorphosis, because the outside air temperature in the morning is generally low, this cold air stimulation is easy to induce the patient to appear nasal mucosal nerve excitation, triggering paroxysmal sneezing, nerve excitation is also easy to increase the submucosal exudation, resulting in increased nasal discharge and other related manifestations of the patient. It is recommended to give nasal glucocorticosteroids after getting up in the morning to control the allergic symptoms in time, such as budesonide, fluticasone propionate, mometasone furoate, etc., which can reduce the inflammatory reaction of the nasal mucosa. It is also possible that frequent exposure to allergens in the morning can easily stimulate the body’s metamorphosis caused by allergens, it is recommended to avoid exposure to allergens as much as possible, and comply with the doctor’s instructions to standardize the treatment.