In the period of high petroleum price, the issue of global warming and nuclear disaster, the non-traditional fossil energy (shale oil and shale gas) will play a crucial role in the future. Shale gas will become an important emerging energy in next generation because of the breaking development of technology and it will start the revolution of ”shale gas” which changes the global energy structure. This paper discusses the shale gas development condition in the world and studies the effect of shale gas on the global economic. China, Japan and Korea all have made appropriate energy policies based on the development of shale gas. Taiwan shall also make some objective policies to face the effect of shale gas development on the economic and industries as soon as possible.