According to the MRI image performance and the theoretical basis summarized by previous people, we have certain experience after years of practice. All report sheets are written by young doctors first, and then reviewed by attending doctors or above for gate-keeping, so the reports should be more accurate. The results of typical and common diseases are more reliable, but for some rare or uncommon diseases, the accuracy of localization is more reliable, but there are some difficulties in characterization, so it is necessary to closely integrate with clinical practice and use various examination methods or direct puncture biopsy to make a relatively reliable and accurate diagnosis.