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Brain metastases are used to show malignant tumors from other organs to brain. The common age of these patients was over 40; focusing more on the age from 50 to 60 years old. Males caught this disease more than females. Brain metastases of lung accounted for 58.1 percent. Common clinical signals such as headaches accounted for 69.6 percent; localized neuroparalysis accounted for 46.6 percent. On the MRI, the features of brain metastses nodes and cystic accounted for 63.2 percent, low signal on T1W was 62.1 percent, increased image signal on T2W was 70.1 percent. After the contrast administration was 75.9 percent. Metastases over tentorium cerebellie was 34.6 percent.