The phenomenon of incessant nasal water flow, there may be an allergic phenomenon. You can use anti-allergy drugs for treatment, first of all, you need to check the blood routine, there are often elevated eosinophils, you can use paracetamol, cetirizine hydrochloride, loratadine for treatment to reduce capillary permeability, reduce the respiratory tract, that is, the nasal secretion, to reduce the edema, so as to alleviate the phenomenon of non-stop nasal flow. If you have a cold that causes your nose to run, you can use cold medicines to treat it. Cold medicines can effectively relieve a runny nose because there is a certain amount of pseudoephedrine hydrochloride and paracetamol in cold medicines, which are good for relieving the phenomenon of a runny nose. For example, adults can use aminocrystalline capsules, Vicodin tablets, and Sanjiu Cold and Flu Ling Granules. If it is a child, you can use pediatric aminophenol xanthamin granules and aminophenol pseudoephedrine dispersible tablets for treatment, which is more effective.