Rectal mesenchymal tumors that do not exceed 2 centimeters are recommended to be treated with surgical resection to avoid further progression of the disease. Rectal mesenchymal tumor is a kind of tumor that occurs in the rectal area, some patients are benign, but there is a possibility of developing into malignant. 2 cm rectal mesenchymal tumor is mostly benign, which may not have a serious impact on the patient, but a few patients may be malignant tumors, which progresses relatively quickly. For 2 cm rectal mesenchymal tumor, timely surgical resection is recommended for treatment. When surgical resection is performed, care should be taken to remove the tumor completely to avoid any residual tumor tissue, so as to avoid recurrence of the tumor. Surgical removal of rectal mesothelioma can reduce the risk of further tumor development in patients, and early treatment is more effective. Patients with rectal mesenchymal tumors should evaluate their condition under the guidance of their doctors, choose the appropriate treatment plan and follow the doctor’s instructions.