Sudden inability to do swallowing action may be caused by psychosomatic factors or disease factors, such as myasthenia gravis, Guillain-Barre syndrome, laryngitis, stroke, etc. A. Psychosomatic factors When patients are nervous, anxious, frightened, traumatized, etc., the sudden inability to do swallowing movements can occur. It usually lasts for a short period of time and can often be relieved on its own. If it lasts for a longer period of time, it is recommended that the patient go to a psychiatric clinic in a timely manner and be treated through psychological guidance or psychological suggestion, and if necessary, oral medication. Second, disease factors 1, myasthenia gravis: patients can usually have droopy eyelids and diplopia before the sudden appearance of the inability to swallow, patients usually need to use medication and, if necessary, surgery; 2, Green-Barre syndrome: patients with acute onset, can first appear weakness of the limbs, followed by difficulty in swallowing within a few hours, can not do swallowing movements. Patients are recommended to go to the hospital in a timely manner, under the guidance of doctors for CT, MRI and other examinations to clarify the cause, and then treat the cause; 3, pharyngitis: pharyngitis leads to local swelling, pus, and when the pain is severe, patients dare not do swallowing actions, it is recommended to actively seek medical advice and take antibacterial anti-inflammatory drugs for treatment; 4, stroke: for example, sudden cerebral infarction, cerebral hemorrhage, resulting in the domination of swallowing actions Patients may suddenly be unable to do swallowing movements, and may be accompanied by dizziness, headache, and impaired body movement. Patients need to seek medical attention for medication or surgery.