Wind energy is widely developed and applied as one of the most commercial prospect renewable energy, as a result that significant advancement of wind power generation and its relative technology are achieved. In the paper, the wind power generation and its relative technology are reviewed, including the types of wind power generation system, performance and feature of generators applied in wind power generation system, and development tendency of future wind power generation technology, which providing references for well learning about the present status and development tendency of wind power generation at home and abroad.