Snoring (medical term for snoring, snoring, sleep apnea syndrome) is a widespread sleep phenomenon, which most people currently think is commonplace and do not take it seriously, while others see snoring as a sign of a good night’s sleep. In fact, snoring is the enemy of health, due to snoring makes sleep breathing repeatedly suspended, resulting in serious lack of oxygen to the brain, blood, the formation of hypoxemia, and induced hypertension, cerebral heart disease, heart rate disorders, myocardial infarction, angina pectoris. Nocturnal apnea for more than 120 seconds is prone to sudden death in the early morning. What are the tests? Polysomnography is the “gold standard” for snoring diagnosis and has a role that cannot be replaced by other tests. Through various sensors and electrodes placed on the snorer’s body, polysomnography can trace the graphs of EEG, ECG, oral and nasal airflow, oxygen saturation, snoring, body position, eye movement, chest and abdominal breathing movement, limb movement and other parameters during the snorer’s sleep. The polysomnogram can analyze the snorer’s sleep (distinguish between sleep and wakefulness, judge the depth of sleep), breathing and heart condition, and make a definite diagnosis of snoring and hypoxia; according to the apnea index, it can judge the type of apnea, such as obstructive, central and mixed; it can also determine whether it is simple snoring or snoring, and evaluate the severity of snoring. Second, the diagnostic criteria of snoring snoring can be divided into two categories: simple snoring and obstructive sleep apnea syndrome. Simple snoring is a partial obstruction of the upper respiratory tract during sleep, resulting in snoring during sleep, but apnea and hypoxia rarely occur, with little impact on health and no dozing during the day. If the periodic complete obstruction of the upper airway during sleep causes frequent cessation of oral and nasal breathing and breath-holding, it may be obstructive sleep apnea syndrome. If the airflow in the upper airway is obstructed causing the respiratory airflow to stop for more than 10 seconds, it is called an apnea; if the apnea occurs more than 5 times in one hour of sleep, it can be diagnosed as obstructive sleep apnea syndrome, i.e. snoring. Prevention and treatment 1. Enhance physical exercise and maintain good living habits. 2. Avoid smoking and alcohol addiction, because smoking can cause aggravation of respiratory symptoms, and drinking alcohol aggravates snoring, nocturnal breathing disorder and hypoxemia. Especially drinking alcohol before bedtime. 3.For obese people, we should actively reduce weight and strengthen exercise. Our experience is to reduce more than 5%-10% of body weight. 4.Snoring patients mostly have decreased blood oxygen content, so they are often accompanied by hypertension, heart rhythm disorder, increased blood viscosity and increased heart burden, which may easily lead to the occurrence of cardiovascular diseases, so we should pay attention to the monitoring of blood pressure and take antihypertensive drugs on time. 5, bedtime sedative, sleeping drugs are prohibited, so as not to aggravate the inhibition of the central regulation of respiration. 6, take the side sleep position, especially the right side of the sleep position is appropriate to avoid the tongue, soft palate, uvula relaxation back during sleep, aggravating the upper airway blockage. A small leather ball can be pasted on the back during sleep, which helps to keep the lateral sleep position mandatory. 7.Patients after surgery should eat mainly soft food, do not eat too hot food. Avoid strenuous activities.