China's economy is gradually becoming an organic part of the world economic system.Therefore the performance of China's economy should be assessed from a global perspective.This paper points out the high growth rate measured by domestic currency is associated with currency depreciation to a great extent and attributes to quantitative increase.In the background of globalization, rules of factor productivity in industrial countries and regions are summarized.Experiences of Japanese economic development are analyzed too.Later countermeasures of China's further economic development are put forwards.