Objective To study MRI in the diagnosis of meningioma. Methods The MRI findings of 35 patients with pathologically confirmed meningioma between July 2012 and July 2014 were analyzed retrospectively, and the results of pathological examination were taken as basis. All patients underwent T1 and T2 weighted and T1 weighted enhanced scan. The diagnosis accuracy of MRI was recorded. MRI signs, incidence of tumor in different sites, tumor size and signal intensity of different subtypes of meningioma were analyzed. Results Among 35 cases, 33 cases were diagnosed with meningioma by MRI, and the diagnostic accuracy was 94.29%. Brain concave was the highest incidence of tumor in patients with meningioma, accounting for 34.29%, followed by the posterior cranial fossa and tuberculum sellae, accounting for 22.86% and 14.29% respectively. MRI showed the maximum diameter of a single tumor was 1.4-9.9cm, tumor size>4.0cm in 19 cases, accounting for 54.29%, tumor size ranged from 2 to 4.0cm in 13 cases, accounting for 37.14%, tumor size < 2.0cm in 3 cases, accounting for 8.57%. Tumors mainly showed low signal and equal signal on T1WI, and different subtypes of meningioma mainly showed equal signal and slightly higher signal on T2WI. Conclusion MRI findings of meningioma are various. The incidence of tumor in different sites is different. The diagnostic accuracy is high, and T2 weighted is the typical signal, which can provide some guidance for clinical diagnosis.