Tumors in the saddle region can be judged as benign or malignant by the degree of differentiation and maturity of the tumor, its growth, metastasis, and its effect on the body. Saddle region tumors are tumors growing in the region of the pterygoid saddle. 1. The degree of differentiation and maturity of the tumor: it can be based on the pathological and histological results of the tumor. Generally, the degree of differentiation is usually high and similar to normal tissues for benign tumors, while malignant tumors have a lower degree of differentiation and are very different from the original tissues. 2. Tumor growth, metastasis and its impact on the body: benign tumors grow slowly, metastasis is rare, the damage to the whole body is not big, only a few large benign tumors can cause local compression. Malignant tumors, on the other hand, grow fast and easily metastasize rapidly, and have more serious effects on the whole body, such as systemic failure, anemia, and weakness. Therefore, patients with saddle region tumors should go to the hospital as soon as possible to clarify the cause of the disease, and after diagnosis, carry out symptomatic treatment under the guidance of doctors.