There is a lump inside the right side of the chin, commonly known as submandibular lymph node enlargement, many patients are caused by infection, fever and pain will occur, anti-infection treatment needs to be selected in time, and the patient’s symptoms can gradually improve. It can also be the occurrence of subcutaneous lipoma or fibroma, which manifests as a local mass and can also have painful manifestations. It is a benign lesion, and if it gradually increases in size and affects the aesthetics or has painful and uncomfortable symptoms, surgical excision can be chosen as the method. The surgery is performed under local anesthesia, paying attention to the complete peeling of the lesion, while during the operation again, care is taken to avoid damage to the submandibular gland, and regular drug changes are required after the surgery.