The mucous membrane of the throat is rich in sensory nerve endings, when stimulated, it is easy to cause nausea, vomiting and other physiological reflexes. After the reflux of gastric contents, it can bring out part of the gastric juice, and the gastric acid, pepsin, and trypsin contained in the gastric juice can cauterize the mucous membrane of the throat, causing the mucous membrane of the throat to become oedema, resulting in the sensation of foreign body and phlegm attachment, which is also a major factor in the cause of chronic pharyngolaryngitis. If it is too frequent, a small amount of blood can appear after the mucous membrane erosion, so that the patient produces a panic mentality, especially after drinking alcohol, it may lead to gastric reflux, which will enter the airway, airway foreign body, serious can be suffocated and life-threatening. When throat symptoms occur, you can use drugs to inhibit gastric acid and promote gastrointestinal tract dynamics, pay attention to gargling, maintain oral hygiene, and eat more fresh vegetables and fruits.