Nasal congestion and clear water caused by cold in the nose may be due to acute rhinitis, vasomotor rhinitis, allergic rhinitis, etc., and should be treated according to the cause of the disease by taking medication, general therapy and other therapeutic measures to improve the symptoms. 1. Acute rhinitis: you can use ephedrine saline drops locally, or you can take phenmetrazine, pseudoephedrine hydrochloride and other drugs. 2. vasomotor rhinitis: you can take adenosine triphosphate to reduce nasal mucosal congestion, take loratadine to relieve nasal mucosal edema, local use of mometasone furoate nasal spray, budesonide nasal spray and other drugs, can play a role in relieving nasal congestion, runny nose and other symptoms. 3. allergic rhinitis: when this disease attack, nasal nerve sensitivity, cold easily lead to this symptom. You can take loratadine, chlorpheniramine maleate, cetirizine and other antihistamines; at the same time, saline rinse nasal cavity, nasal spray fluticasone propionate nasal spray, budesonide nasal spray and other nasal glucocorticoids. Nasal blockage caused by the cold nose flow of water, it is recommended to go to the hospital for examination, systematic examination to clarify the diagnosis, and follow the doctor’s instructions to standardize the use of medication and treatment.