The most common cause is nicotine irritation caused by smoking, which irritates the throat and the stomach mucosa. The most common cause is laryngitis caused by long-term smoking or gastritis. If you are not sure, you can consult a gastroenterologist for further gastroscopy, which will clarify whether there is gastritis. You can also consult the ENT department for laryngoscopy, which will clarify whether there is inflammation of the throat caused by dry vomiting. If it is difficult to quit smoking, it is recommended to gradually reduce the number of cigarettes to achieve the purpose of quitting, reduce smoking, reduce nicotine inhalation, the above symptoms of dryness and vomiting will gradually improve, do not have too much burden on your mind.