The feeling of foreign body blockage in the throat is commonly caused by chronic pharyngitis, epiglottis cyst, reflux pharyngitis and other diseases, and may also be caused by laryngeal cancer, hypopharyngeal cancer and other diseases. It may also be caused by laryngeal cancer, hypopharyngeal cancer and other diseases. It cannot be said that the feeling of foreign body blockage in the throat is cancer. 1. Chronic pharyngitis: Chronic pharyngitis will have the symptom of foreign body blockage in the throat, accompanied by symptoms such as itchy feeling, burning sensation, slight pain and irritating cough in the throat. 2. Epiglottis cysts: the feeling of foreign body blockage in the throat may be caused by epiglottis cysts, epiglottis cysts are cysts occurring under the epiglottis mucous membrane, the early generally asymptomatic, the later cysts are larger patients may have a foreign body sensation and dyspnea. 3. Reflux pharyngitis: stomach contents reflux to the throat, stimulate the mucous membrane of the throat, resulting in congestion and swelling of the mucous membrane of the throat area, there will be a foreign body sensation in the throat. At the same time, it may be accompanied by acid reflux, heartburn and other symptoms. 4. Laryngeal cancer: Foreign body sensation in throat may be laryngeal cancer, which is usually related to long-term smoking, viral infection, radiation damage, etc. Common clinical symptoms are hoarseness, blood in sputum, sore throat with foreign body sensation, choking on food, dyspnea, dysphagia and metastasis of cervical lymph nodes. 5. Hypopharyngeal cancer: malignant tumor of hypopharynx will cause patients to have the feeling of foreign body blockage in throat, and with the aggravation of the disease, there will also be the symptom of sore throat and difficulty in swallowing. Foreign body blockage in throat is not necessarily cancer, if patients have the symptom of foreign body blockage in throat, it is recommended to consult the hospital for diagnosis and treatment.