The feeling of numbness in the throat when swallowing something can be caused by true bulbar palsy, hypopharyngeal cancer and reflux pharyngitis. 1. True bulbar palsy: it can be caused by nerve damage to the nucleus of suspicion in the medulla oblongata, nucleus of hypoglossal nerve and lower motor neurons, etc. The disease can cause complete paralysis of the glossopharyngeal nerve. This disease can cause complete paralysis of hypoglossal nerve, with the appearance of drooping soft palate on the same side, inability to elevate it during vocalization, deviation of uvula to the healthy side, disappearance of pharyngeal reflex on the affected side, etc. The sensation of laryngeal numbness can be appeared when swallowing something. 2. Hypopharyngeal cancer: the occurrence of hypopharyngeal cancer can be related to family heredity, malnutrition, human papillomavirus infection, long-term smoking and drinking, etc. Typical symptoms include foreign body sensation in the throat, pain in swallowing, difficulty in swallowing and hoarseness, etc., and the feeling of numbness of the throat can appear when swallowing. 3. Reflux pharyngitis: Obesity caused by increased abdominal pressure, reflux gastroesophagitis, esophageal hiatal hernia, Helicobacter pylori infection and other factors may trigger reflux pharyngitis, hoarseness of voice can occur, the throat can also be a burning sensation, a sense of foreign body and a sense of blockage and other discomforts, when eating and swallowing, the throat can be numbness of the symptoms. If you feel numbness in your throat when swallowing something, you should consult a doctor in time and get a clear diagnosis and cause of the disease after a systematic examination.