Small abdominal distension and pain of renal pelvis tumor can be treated with local hot compresses or abdominal massage. If the symptoms are not alleviated, it is recommended to go to the hospital for examination in time to determine whether the tumor recurs or metastasis occurs. Most of the tumors in renal pelvis are migratory cell papillary tumors, which may present painless hematuria, lumbago, abdominal pain and other symptoms, and are usually treated by radical surgical resection. If there is abdominal distension and pain after surgery, it is recommended to go to the hospital in time to check whether there is recurrence or not. If there is recurrence, it is recommended to go through surgical resection in time, and to cooperate with chemotherapy and radiotherapy etc to control the continuous spreading of the cancer cells. Normally, develop good living and dietary habits, have regular checkups, eat more fresh fruits and vegetables, and eat less spicy and stimulating food. If there is any discomfort, consult a doctor in time.