There are many causes of dry and sore throat and painful swallowing, such as pharyngeal ulcers, acute tonsillitis, acute pharyngolaryngitis, acute epiglottitis and so on. 1. ulcers: pharyngeal ulcers:, pharyngeal and oral ulcers, tonsillar ulcers, can cause dry throat pain swallowing pain, the examination can be found on the mucous membrane has a single or multiple ulcers. 2. Acute tonsillitis: acute tonsillitis will not only cause a dry and sore throat and painful swallowing, the examination of the tonsils can be found to be congested and enlarged. 3. Acute pharyngitis: dry and sore throat with pain in swallowing is a common symptom of acute pharyngitis, accompanied by itchy throat, foreign body sensation, dryness and other phenomena. 4. Acute epiglottitis: acute epiglottitis in addition to dry throat, sore throat, painful swallowing, examination can be found epiglottis tongue surface congestion, edema, and even epiglottis will appear to present a spherical. There are many reasons for the dry and sore throat and painful swallowing, and it is recommended to go to the hospital in time for treatment after the symptoms appear, under the guidance of the doctor to make a clear diagnosis, and to give standardized medication and sexual treatment.