The recurrence rate of submandibular gland tumor after removal is not high. Submaxillary gland tumor belongs to benign tumors, when the symptoms are more serious, it is usually treated by surgery, which is simpler, and if it is removed cleanly during the surgery and well taken care of after the surgery, it will not recur under normal circumstances. If the tumor is not completely removed during surgery and there are residuals that cannot be seen with the naked eye, recurrence may occur. You can go to the hospital for examination to determine the next treatment plan. Most of the submandibular gland tumors are caused by bad living habits, endocrine disorders, low immunity, etc. Patients should take good care of themselves after the surgery, pay attention to reasonable diet, eat more fresh fruits and vegetables and food with high nutritional value, drink more water, don’t stay up too late, develop good living habits, and go to the hospital for rechecking on a regular basis.