Alternate nasal congestion may be caused by colds, chronic simple rhinitis, etc. Nasal decongestants and glucocorticoid nasal sprays can be used to smooth ventilation. 1. Colds: Due to viral infection, the patient has a cold, which causes the patient to suffer from alternating nasal congestion. First of all, drink more water, early can apply antiviral drugs, u ribavirin and so on. Use nasal decongestants, such as furosemide nasal drops, hydroxymetazoline hydrochloride, etc. under the guidance of a doctor to treat nasal congestion, generally applied for no more than 7 days. At the same time, patients need to pay attention to warmth, diligent ventilation, and strengthen physical fitness. 2. Chronic rhinitis: If the patient’s alternating nasal congestion is caused by chronic simple rhinitis, use nasal decongestants such as furosemide nasal drops and hydroxymetazoline hydrochloride under the guidance of a doctor, generally applied for no more than 7 days; glucocorticoid nasal spray nasal spray, such as budesonide nasal spray; and combined with saline nasal cleansing. Symptoms of alternating nasal congestion, it is recommended to go to the hospital in time, diagnosed by a professional doctor, and given reasonable treatment.