Turbinate hypertrophy usually needs surgery. It is recommended to try saline nasal washing after operation. This method does not need drugs and has no side effects. It is especially suitable for children and pregnant women and can be used for a long time. The treatment of chronic rhinitis, sinusitis and allergic rhinitis and the postoperative effect of rhinitis are good. Mastering the concentration, temperature and operation method of saline can relieve symptoms and eliminate inflammation, and insisting on using it can effectively prevent recurrence. Rhinitis can't be cured, and it is easy to relapse. Preventing colds at ordinary times can effectively reduce the probability of rhinitis.