Reflux pharyngolaryngitis: It is due to the reflux of stomach contents into the pharynx, which stimulates and damages the pharyngeal mucosa and causes corresponding symptoms. The main manifestations are: 1, pharyngeal foreign body sensation or hysterical ball sensation; 2, hoarseness and dysphonia; 3, chronic cough: most of them are irritating dry cough; 4, and throat clearing, sore throat, difficulty in whistling, halitosis, pharyngeal mucous secretion increase, dry pharynx; 5, laryngeal spasm; 6, vocal polyps; 7, dental erosion; 8, oral ulcers. Related examinations: 1, pharyngeal reflux monitoring; 2, impedance or esophageal PH monitoring; 3, esophageal high resolution manometry; 4, laryngoscopy, gastroscopy. Treatment: 1, acid suppression therapy combined with lifestyle changes: the latter mainly includes avoiding eating before bedtime, elevating the head of the bed, reducing dinner intake, avoiding overfeeding, abstaining from smoking, alcohol, strong tea, coffee, and high-fat foods and sweets, and reducing body weight. Drugs include: proton pump inhibitors (PPI), H2-blockers, mucosal protectants and pro-dynamic drugs. 2.Surgical treatment: poor efficacy of drugs and lifestyle combination, severe reflux, lower esophageal sphincter dysfunction, severe side effects, young patients to avoid long-term use of drugs or economic reasons, etc. are used as indications for surgical treatment. Laparoscopic fundoplication is the most effective procedure. The gastric fundus is folded around the lower esophagus, thus strengthening the lower esophageal sphincter and forming an anti-reflux folding flap to achieve the purpose of controlling reflux. Prevention: Avoid overfilling, too much dinner or late-night snacks; do not lie down immediately after meals and elevate the head of the bed when sleeping; quit smoking and alcohol, and reduce spicy food, coffee and strong tea; avoid tight waistbands; reduce high-fat and high-sugar foods.