Loud snoring may be related to adenoid hypertrophy, alcohol consumption, obesity and other reasons. 1. Adenoid hypertrophy: due to nasopharyngeal infection and allergic inflammation stimulation and other reasons, the tonsils become pathologically enlarged and hypertrophied, causing narrowing of the airway and loud snoring. 2. Alcohol consumption: after drinking alcohol, the muscles of the tissues relax excessively during sleep, leading to obstruction of the airway, and then loud snoring occurs. 3. Obesity: in obese people, the upper respiratory tract is narrowed and obstructed during sleep, which disturbs the normal ventilation and leads to the phenomenon of loud snoring with breathing. Snoring, there may be rhinitis, nasal polyps and other diseases, it is recommended to go to the hospital in a timely manner, to clarify the cause, such as the need for treatment, should be standardized treatment under the guidance of the doctor.