Painful swallowing may be caused by acute pharyngitis, acute tonsillitis, pharyngeal tumor and other conditions. 1. Acute pharyngitis: refers to the inflammation of the pharynx caused by pathogen infection, the main symptoms are dry itching, burning and even pain in the pharynx, and the pain can be aggravated in the process of swallowing. 2. Acute tonsillitis: it refers to the inflammation of tonsils caused by bacterial or viral infection, common symptoms include pharyngeal pain, fever, chills, etc., and the pain is aggravated when coughing or swallowing, or the pain is not dare to swallow due to the fear of pain. 3. Pharyngeal tumor: If there is a tumor in the pharynx, such as pharyngeal cancer, with the increase of the tumor, there will be a foreign body sensation in the pharynx, and if it is secondary to bacterial infection, the patient may feel pain in the pharynx when swallowing, or progressive dysphagia and other symptoms. It is recommended that patients should seek medical treatment in time to clarify the cause of the disease.