Picking at the throat and vomiting is very harmful, such as esophageal mucous membrane damage, pancreatic sphincter damage, pharyngeal mucous membrane damage, salivary gland hyperplasia and so on. 1. Esophageal mucosal damage: stomach contents contain a lot of gastric acid, long-term picking at the throat and vomiting will lead to gastric acid stimulation of the esophageal mucosa, so the formation of esophageal cysts, esophagitis and other diseases. 2. Cardiac sphincter injury: the way of picking throat and vomiting is due to the stimulation of the throat caused by the finger, so there is a strong nausea reaction, due to the cardiac sphincter is stimulated by repeated diastole, contraction, and long-term repetition of this action can cause damage. 3. Throat mucous membrane damage: foreign body long-term stimulation to the mucous membrane of the throat, can cause the mucous membrane of the throat congestion, edema, thus causing chronic pharyngitis and other diseases. 4. Salivary gland hyperplasia: long-term picking at the throat and vomiting can lead to increased salivary secretion, resulting in excessive secretion of the salivary glands, resulting in hyperplasia, enlargement. Gouge throat vomiting has many hazards, should be corrected bad habits, if there is obvious discomfort, it is recommended to go to the hospital in a timely manner, after a clear diagnosis to give standardized treatment.