7-year-old allergic rhinitis can be relieved by avoiding contact with allergens, using mometasone furoate nasal spray nasal spray, oral cetirizine hydrochloride drops and so on, but it is very difficult to cure the disease. 1. Avoid contact with allergens: allergic rhinitis in children is usually triggered by contact with allergens, such as pollen, dust, cold air, or eating seafood, etc. If the allergens are clearly identified, contact should be avoided as much as possible. 2. Nasal medication: allergic rhinitis can usually be treated with nasal hormones, such as mometasone furoate nasal spray, budesonide nasal spray, etc., to relieve nasal congestion, sneezing and other symptoms. Saline nasal spray can also be used to clean the nasal cavity. 3. Oral medication: at the same time can also be combined with some antihistamines such as cetirizine hydrochloride drops and other drugs anti-allergy treatment. Children’s allergic rhinitis can not be completely cured, should be under the guidance of a doctor reasonable treatment, the above drugs should be used in accordance with medical advice.