Foreign body sensation in the throat caused by long-term smoking, mainly because smoking stimulates the lymphoid follicles in the posterior wall of the pharynx and a lot of hyperplasia and mucosal hypertrophy caused by this is a common cause of chronic pharyngitis, which can be relieved by life management and drug treatment. In normal people, there are lymphoid follicles in the posterior pharyngeal wall, mainly in the submucosa of the posterior pharyngeal wall, with certain immune function. When the mucous membrane of the pharynx is stimulated by external factors, such as long-term smoking, the lymphoid follicles in the posterior wall of the pharynx may proliferate, which may lead to an obvious sensation of foreign body in the throat. Life management, first of all, should stop smoking, to avoid further stimulation of tobacco; diet should increase the amount of water and fruit and vegetable intake, etc.; but also moderate consumption of food to moisten the throat and clear the lungs, such as loquat, luohan fruit, etc., so that the mucous membrane of the pharynx to maintain the state of moisture, to a certain extent, to alleviate the symptom of foreign body sensation in the throat. In terms of treatment, cooling and detoxifying, anti-inflammatory drugs such as silver and yellow containing tablets, sweet orange and ice plum tablets, watermelon cream spray can be used to relieve the symptoms of foreign body sensation in the throat. If follicular hyperplasia and mucosal hypertrophy are not effective through conservative treatment, laser or low-temperature plasma technology can be used for ablative resection treatment. Foreign body sensation in the throat may also be caused by respiratory infections, such as tonsillitis, rhinitis and bronchitis, etc., in addition to the pharynx or tonsil tumors can also cause symptoms of foreign body sensation in the throat, you need to go to the hospital in a timely manner to identify the cause, and active treatment of the primary cause of the disease, the symptom can be relieved accordingly. After smoking, foreign body sensation in the throat, should quit smoking in time, smoking is harmful to health.