The invention has a name of a wind-collection speed-increasing typed wind power generator, relating to the utilization of new energy. The wind-collection speed-increasing typed wind power generator is composed of a speed increasing device, a wind turbine, etc. The speed increasing device is composed of two or three pieces of smooth clapboards rotating around a vertical shaft. An angle of 120 degrees is formed between the clapboards and the speed increasing device similar to a convergent nozzle is formed. According to a fluid continuity equation, a place with a large section area has a low velocity and a place with a small section area has a high velocity. The wind turbine is arranged at the outlet of the small section area, thus the speed increasing device can improve the speed of wind flowing by the wind turbine and increase output power. The vertical shaft wind turbine used by the invention comprises a turbine typed wind turbine with a ball shaped hollow cavity and other wind turbines like Darrieus typed wind turbine, etc.