Which side of the side sleep, the nose blocked which side, most often seen in chronic rhinitis, the emergence of alternating nasal obstruction. Alternate nasal obstruction is generally caused by chronic rhinitis, but also accompanied by runny nose, nasal congestion, loss of smell and other symptoms, because it is easy to recur, it is easy to trigger bilateral inferior turbinate hypertrophy, affecting normal life. Patients should seek timely medical treatment, go to ENT for examination, and target the use of hormonal drugs, ephedrine and other decongestants. Can also use a thousand cypress rhinitis tablets and other proprietary Chinese medicines, if the drug is not effective, then under the guidance of the doctor, through electrocautery plasma ablation, laser, puncture and other complementary therapies to remove part of the inferior turbinate to alleviate the symptoms. In conclusion, patients can usually take vitamins and exercise to enhance immunity, so as to improve the related symptoms. The above medications should be used under the guidance of a doctor to avoid self-medication.