The reasons for feeling a foreign body in the throat when smoking include chronic inflammatory diseases, benign and malignant hyperplasia, etc., as follows: 1. Chronic inflammatory diseases: Chronic inflammatory diseases occur in the throat due to longer smoking, and this chronic inflammatory stimulus may lead to a certain degree of lymphatic follicular hyperplasia in the back wall of the throat, often causing patients to experience recurrent painful sensations in the throat, dryness, and 3. Benign and malignant growths: Some patients may have cysts, polyps, papillomas and other benign and malignant growths in the pharynx. Therefore, for patients with longer duration of foreign body sensation in the throat area, further electronic laryngoscopy is needed to carefully and comprehensively examine the entire throat lesion and take targeted treatment improvement measures.