Nasal reflux is a common symptom, usually caused by acute rhinitis, allergic rhinitis, acute sinusitis, etc., according to the different causes of the use of related drugs for treatment, is the correct treatment method. 1. Acute rhinitis: acute rhinitis is an acute inflammatory disease of the nasal mucosa, can be appropriate to give nasal decongestant to alleviate the symptoms, such as hydroxymetazoline hydrochloride nasal drops, fumar drops, etc.; the use of nasal glucocorticosteroid drugs, such as budesonide to reduce the inflammatory response; for the presence of bacterial infection, the choice of antibiotic drugs to fight infections, such as amoxicillin, cefaclor and so on. 2. Allergic rhinitis: a chronic reactive inflammatory disease of the nasal mucosa, first of all, we need to try to avoid exposure to allergens, such as pollen, animal hair, dust mites, etc.; secondly, we can take antihistamines for anti-allergy treatment, such as loratadine, cetirizine, etc., which can alleviate the phenomenon of nasal congestion, nasal secretion hypersecretion, and snot reflux. 3. Acute sinusitis: mainly for the sinus mucosa acute inflammation or purulent inflammatory disease. Symptoms are controlled by nasal glucocorticoids, such as mometasone furoate nasal spray, fluticasone propionate nasal spray, etc.; in patients with clear bacterial infection, antibiotic drugs, such as amoxicillin, tinidazole, etc., can be used. The specific etiology of this symptom should be clarified after systematic examination by a specialist, and the use and treatment of related drugs need to be carried out under the guidance of a specialized doctor.