Dry cough with foreign body sensation in the throat may be caused by improper diet, or it may be related to pathological factors such as chronic laryngitis, allergy, acid reflux, and so on. 1. Improper diet: such as long-term consumption of spicy and stimulating foods or smoking, drinking, etc. can produce throat irritation, dry cough and throat foreign body sensation symptoms. 2. Pathological factors (1) Chronic pharyngitis: the mucous membrane of the throat is stimulated by long-term inflammation, which can cause patients to have a dry cough, symptoms of foreign body sensation in the throat, which can also be accompanied by dry throat, itchy throat, nausea and other symptoms. (2) Allergy: such as dust mites, dust and other allergies caused by the mucous membrane of the throat to produce an allergic reaction, manifested as a dry cough, foreign body sensation in the throat symptoms. (3) Acid reflux: Gastroesophageal reflux disease (GERD) causes reflux of gastroduodenal contents into the throat, and gastric acid irritates the mucous membranes of the throat, which further causes symptoms such as dry throat, dry cough, and foreign body sensation. A number of cough with foreign body sensation in the throat symptoms appear for a long time or even aggravate, it is recommended to go to the hospital in time to find out the cause, and actively carry out regular treatment, so as not to delay the condition.