A sore throat that makes it difficult to swallow water may be caused by acute pharyngitis, acute tonsillitis, acute epiglottitis, and malignant tumors of the pharynx. 1. Acute pharyngolaryngitis: the throat is infected by pathogenic bacteria, acute inflammation caused by throat congestion, edema, resulting in a sore throat, it is difficult to swallow water, which can be accompanied by fever, cough and other symptoms. 2. Acute tonsillitis: acute inflammation of the tonsils causes congestion and edema of the tonsils, resulting in a sore throat and difficulty in swallowing water. 3. Acute epiglottitis: Infection by pathogenic bacteria, such as Staphylococcus aureus and Streptococcus pneumoniae, leads to acute inflammatory lesions in the epiglottis and the surrounding tissues, which may cause sore throat and difficulty in swallowing water. 4. Malignant tumors of the throat: malignant tumors of the throat can cause sore throat, difficulty in swallowing water, hoarseness, and even loss of voice and other symptoms. There may be other reasons for the sore throat and difficulty in swallowing water, so it is recommended to consult a doctor in time to find out the cause of the disease.