Right parapharyngeal soft tissue mass is a local tissue abnormality, and the common causes include parapharyngeal cysts, polyps, enlarged tonsils and tumors. 1. Parapharyngeal cysts: mainly due to local inflammatory stimulation affecting the secretion of glands, resulting in cysts, causing the corresponding conditions. 2. Polyps: Part of the prolonged inflammatory stimulation will lead to epithelial tissue and capillary hyperplasia, and polyps will also be manifested as localized lumps. 3. Enlarged tonsils: unilateral enlarged tonsils, there will be soft tissue mass performance, combined with the examination can be judged. 4. Tumor: malignant tumors in the parapharynx will lead to local soft tissue lumps, irregular shape and easy to break on the surface. If the right parapharyngeal soft tissue mass is accompanied by repeated local bleeding, it is necessary to consult a doctor in time for observation and standardized treatment under the doctor’s guidance after diagnosis.