The fact that rhinitis is committed after quitting smoking is not directly related to quitting smoking, which will only make rhinitis lighter and lighter after quitting. The main clinical analysis is as follows. 1. There are many causes of rhinitis, commonly viral bacterial infections, air pollution, changes in temperature, the patient’s personal constitution, allergic factors, decreased resistance, etc. are all causes of rhinitis. Once the patient quits smoking, the damage to the nasal mucosa caused by the once toxic substances will gradually disappear. The patient’s rhinitis should be getting lighter and lighter. If the patient has heavy rhinitis, he or she should look for other causes of rhinitis and should not attribute the cause to smoking cessation.