Foreign body sensation and cough in the throat can be caused by the following reasons: first, acute and chronic inflammation of the throat, foreign body sensation is mainly a foreign body sensation in the empty throat, and the cough may be mainly a dry cough. Second, other causes, such as inflammation of the lungs and bronchial tubes, may also be accompanied by a foreign body sensation in the throat and a cough, which may be a dry cough or a cough with phlegm. Treatment can be done with some examinations, such as electronic laryngoscopy, chest X-ray, and then according to the results can be treated accordingly. Third, esophageal reflux, acidic esophageal reflux, gastric acidic esophageal reflux, which irritates the pharynx, a foreign body sensation in the throat and an irritating cough in the throat, and patients often have a feeling of acid reflux in the throat. Fourth, postnasal drip syndrome caused by nasal snot flowing backward due to rhinitis and sinusitis. In postnasal drip syndrome, patients can often feel the backward flow of nasal mucus, which directly stimulates the throat and produces an irritating cough. However, this cough can only be seen and heard if it is obvious, and if it is not obvious, it is often manifested as a kind of throat clearing action.