Smoking want to vomit, mainly due to the stimulation of chemical substances in tobacco caused, for frequent smokers, but also because of chronic pharyngitis, chronic rhinitis, sinusitis caused. Common causes and related recommendations are as follows: 1, tobacco stimulation: tobacco contains a large number of toxic and harmful substances, these substances can induce nausea, vomiting and other symptoms in the human body, such as tar and nicotine in the smoke to stimulate gastric acid secretion, excessive secretion of gastric acid, stimulating the stomach wall, will produce nausea, vomiting symptoms. The carbon monoxide and smoke and nicotine in smoke cause excessive excitation of hypothalamic nerves, which can produce nausea and vomiting reactions. This symptom performance will be particularly obvious when inhaling heavily, at this time should stop smoking, walk to the fresh air outside, will relieve the discomfort; 2, chronic pharyngitis: long-term smoking can cause chronic pharyngitis, smoking smoke in the harmful components will stimulate the pharynx, long-term sustained stimulation can induce pharyngitis, causing increased pharyngeal secretions, which have a foreign body feeling in the throat, nausea, dry vomiting symptoms. Treatment should first quit smoking, in addition, you can apply compound borax, furacilin solution and other gargles to keep the mouth and throat clean, can also contain iodine throat tablets, mint throat tablets and other treatment of chronic inflammation of the pharynx; 3, chronic rhinitis, sinusitis: chronic rhinitis, sinusitis patients smoking, will induce inflammatory episodes, or inflammatory response aggravated, when nasal secretions will flow to the pharynx, stimulating the pharynx to produce nausea, vomiting The reaction. This can be treated with glucocorticoid nasal sprays, such as budesonide nasal spray and fluticasone propionate nasal spray. Whatever the cause, it means that your body is intolerant to tobacco stimulation and you should stay away from cigarettes at this time. Smoking is harmful to health, people who are addicted to smoking should try to quit, if the recent mental stress, you can choose swimming, running, travel, singing and other ways to relieve stress, do not choose to smoke, alcohol and other ways to damage the body to relieve stress.