Extraordinarily loud snoring is considered to be caused by simple snoring, which needs no treatment and can be improved by adjusting lifestyle. It may also be caused by sleep apnea and hypoventilation syndrome, which needs to be treated by surgery and ventilator. 1. Simple snoring: for those who have simple snoring which does not affect physiological function, there is often no need to take special treatment measures, and the patients need to reduce weight, quit smoking and limiting alcohol, and sleep in side-lying position to improve snoring. 2. Sleep apnea and hypoventilation syndrome: If the snoring caused by sleep apnea and hypoventilation syndrome is particularly loud, it is necessary to take surgical treatment such as nasal septum correction, nasal polyp removal, tracheotomy and fistulas, palatal droop soft palatopharyngoplasty, orthognathic surgery. Patients can also take oral appliance treatment, non-invasive positive airway pressure ventilation treatment and other treatments. If the snoring is caused by simple snoring which is particularly loud, it can be left untreated. For snoring caused by diseases, it needs to be treated by choosing appropriate measures under the guidance of doctors.