Common causes of non-stop runny nose are: upper respiratory tract infection, allergic rhinitis and so on. Improvement: symptomatic treatment, anti-allergy treatment. 1. Upper respiratory tract infection: accompanied by fever, sneezing, nasal congestion, coughing and other symptoms, viral infections are mostly self-limiting, mild symptoms can be self-healing in about a week. If the amount of runny nose is large, you can follow the doctor’s advice to take chlorpheniramine maleate, nasal drops of pseudoephedrine hydrochloride to improve the symptoms of nasal congestion, runny nose. 2. Allergic rhinitis: clear nasal discharge accompanied by paroxysmal sneezing, nasal congestion, itchy nose and other symptoms, it is recommended to go to the hospital to find allergens, clear allergens away from the allergens, the symptoms will slowly be relieved. If the allergy symptoms are more serious, you can take loratadine as prescribed by your doctor and apply fluticasone furoate nasal spray to improve the above allergy symptoms. If you have the symptom of non-stop running nose, you should consult a doctor to find out the cause of the allergy, and follow the doctor’s instructions to standardize the use of medication and treatment.