According to the energy strategy of China， distributed generation and microgrid will prosper in the coming years with corresponding policies to ensure orderly development. This paper surveys collections of files and gets a general view about the policies of distributed generation and microgrid in developed countries， including status in quo， market entry policies， grid-connected standards， tariff affairs， energy trade for microgrids. Based on above analysis and taking into account the situation of China， this paper gives a set of recommendations for microgrid's development in China.