Allergic rhinitis can be a lifelong disease, so the question of precautions is well raised. Because in addition to the doctor’s help in diagnosis and treatment, it is more in the patient’s own regulation. The precautions for allergic rhinitis are: 1. With clear allergens, patients are advised to avoid contact with allergens, for example, if they are allergic to dog hair and cat hair, they should never have this type of pet at home; if they are allergic to food, such as egg allergy, in addition to not eating eggs, products containing eggs, such as cakes and cookies, should also be contacted as little as possible; 2. affect daily work, such as sneezing, runny nose is more annoying, the worst is to produce airway allergy, at first is the airway high reaction that cough, if then poorly controlled, will appear asthma, we may know more or less about asthma, not only affect the quality of life of patients, and even life-threatening. In this regard, patients with allergic rhinitis must make their daily life regular, pay attention to adequate sleep, avoid allergens, and once the symptoms worsen or become frequent, i.e., the frequency increases, they must go to a specialist hospital to find a specialist to actively intervene and guide the treatment.