Snoring and smoking may have a certain relationship. Long-term smoking patients, cigarette nicotine, tar and other harmful substances inside the stimulation of the patient’s upper airway mucosa, especially the mucosa of the nasal cavity, easy to induce the inflammatory response of the upper respiratory tract, leading to the patient to appear in the nasal mucosa congestion, turbinate hyperplasia and hypertrophy, inducing the patient to appear in the chronic rhinitis, which leads to nasal congestion. Once there is nasal congestion, it will lead to patients in the sleep time ventilation is not smooth, will appear open mouth snoring performance. Clinically, there are many reasons for snoring, once the patient snores, it is recommended to go to the ENT department to improve sleep apnea monitoring to see what type of snoring belongs to. For patients who snore, it is usually necessary to quit smoking, alcohol, weight control, and improve sleep posture, such as developing the habit of sleeping on the side. Patients with snoring need active treatment to avoid inducing systemic diseases.