The lump on the jaw is painful and should be seen in the stomatology department. The lump on the jaw is an oral disease and can be treated by the stomatologist through examination. The diagnosis can be confirmed by blood tests that reveal elevated white blood cells and other manifestations, which are generally treated mainly with anti-inflammatory therapy and can achieve good results through intravenous infusion of anti-inflammatory drugs. If the disease is longer in duration and the tumor is diagnosed in the lower palate, the stomatologist should take a biopsy to determine the nature of the tumor and take a symptomatic treatment.