China’s economic development has entered a new normal，and an important characteristic among them is that economy growth rate from a high level to a medium-high-level. We should pay close attention to the attitude that treat new normal as decelerating of economy，because economy slow down will bring a series of serious problems to economic and social development in China. This paper analyses these issues and puts forward the countermeasures of preventing economy slow down，that is seeking the lasting driving force for economic growth. The implementation of the Silk Road Economic Belt and the 21st Century Maritime Silk Road，the coordinated development for Beijing-Tianjin-Hebei region，and the three national strategies of the Yangtze River Economic Belt，will be long lasting power to promote China’s economic growth. This paper points out that China’s economic growth is expected to decline bottomed out in 2015 and is expected to stop falling and moderate rebound from 2016 to 2020.