By observing the motion trajectory of birds flying wings and based on the theory of spatial linkage mechanism, a flapping wing mechanism is designed which can realize wings of two degrees of freedom (2-DOF) movement. By mutually use the two spatial linkage together, the wing tip was made to implement in the trajectories of space “8” glyph, and by changing the torsion angle, change the value of the angle of attack could be realized. For the design of the bionic flapping wing flight vehicle, it provides valuable experience.