40-year-old man sleep snoring may be related to obesity, drinking alcohol, may also be related to pharyngeal diseases, nasal diseases. 1. Obesity, drinking: 40-year-old man sleep snoring and obesity, obesity can easily lead to thickening of fat deposits under the mucosa of the oropharynx, it is easy to exacerbate the situation of airway obstruction. In addition, long-term heavy drinking will inhibit the brain’s respiratory regulation function, resulting in the tongue and throat muscles are too loose, blocking part of the airflow, snoring. 2 pharyngeal diseases: such as tonsillar hypertrophy, tongue hypertrophy, etc., these diseases will lead to oropharyngeal nasopharyngeal airway narrowing, when the airflow through, it will cause soft tissue vibration collapse, resulting in snoring. 3 nasal diseases: nasal polyps, nasal turbinate hypertrophy, nasal septum deviation, etc. These diseases can lead to nasal obstruction, so that the patient appears to open mouth breathing, which causes sleep snoring. 40 year old man sleep snoring suggest hospital consultation, identify the cause of the disease, the cause of treatment.