Foreign body sensation in the throat may be an early symptom of esophageal cancer, but not all foreign body sensation in the throat or obstruction in swallowing means esophageal cancer, most patients have foreign body sensation in the throat as a symptom of chronic pharyngitis. The early symptoms of esophageal cancer are discomfort when swallowing or obstruction in eating, choking on food or foreign body sensation in throat. For foreign body sensation in pharynx, especially accompanied with discomfort in swallowing behind the sternum, painful swallowing and difficulty in swallowing, it is necessary to be alert to the possibility of esophageal cancer. The symptoms of chronic pharyngitis are various, such as discomfort in the throat, foreign body sensation, discharge from the throat, itching, burning, dryness or irritation in the throat, and slight pain. Therefore, foreign body sensation in the throat is mainly one of the symptoms of chronic laryngitis, but it is not unique, as other throat diseases may also occur. Patients with foreign body sensation in the throat should go to ENT, gastroenterology or related departments of the hospital in time to clarify the cause. If the diagnosis of esophageal cancer is confirmed, patients should cooperate with doctors for treatment, reasonable diet and regular work and rest.