Jilin province locates in the northeast of China, which is an important grain production region and golden corn production area. So, the agriculture of Jilin province acts pivotal roles in food supply and food safety in China. Because agricultural mechanization can enhance the agricultural production rate and efficiency, we should clearly indentify the development of agricultural mechanization in Jilin province. For keeping the sustainable situation of agriculture in province, we will use comprehensive evaluation methodology, denoted as TOPSIS, to measure the agricultural mechanization level. The calculation results can provide significant information for decision makers about agricultural mechanization and sustainable development level.