Smoking, dryness and vomiting may be due to chronic pharyngitis and reflux esophagitis caused by smoking: 1. Chronic pharyngitis caused by long-term smoking, cigarettes contain many harmful substances, such as nicotine, tar and heavy metal substances such as lead, cadmium and arsenic, these harmful substances cause irritation to the pharyngeal mucosa leading to chronic pharyngitis. Patients with chronic pharyngitis often feel a burning sensation, foreign body sensation, dryness and itchiness in the throat, and these sensations are more pronounced when swallowing food. Due to the discomfort and pain in the pharynx, patients often experience dry vomiting.2. Reflux esophagitis, long-term smoking can cause irritation to the gastric mucosa, leading to excessive secretion of stomach acid. When the patient has hiccups, the stomach contents will then go up and cause damage to the esophagus. In addition to dry vomiting, patients will also have acid reflux, heartburn, difficulty swallowing food, and even vomiting when food is ingested.