Kite engine and kite power generation method

The invention provides a kite engine and a kite power generation method. The kite engine structurally comprises a rotating wheel, a first-stage transmission shaft, a speed increaser, a second-stage transmission shaft, a power output end, a kite pull rope, a main kite and a balance kite. From the ground rotating wheel to high altitude, the kite pull rope forms a large-circulation closed curve composed of an ascending section and a descending section; in the ascending section starting from the rotating wheel, two wings of all the main kites are unfolded windward; when the kite passes through thedescending section behind the highest point of the aerial major cycle of the kite pull rope, left and right wings of all main kites are folded, and the difference between the main kite pulling forcesof the ascending section and the descending section enables the ground rotating wheel to generate a torque so as to drive the rotating wheel to rotate; and then the rotating wheel drives the speed increaser through the first-