The invention provides a wing waving folding and unfolding device of an airplane with rotation wings, comprising a waving structure fixedly connected with a wing waving hinge and a folding and unfolding structure fixedly connected with a wing rotation main shaft, wherein, the waving structure comprise two plate-shaped supports and a horizontal shaft; the plate-shaped supports are arranged at the two sides of the wing waving hinge; the waving movement of the wings is transmitted to the horizontal shaft; the folding and unfolding structure comprises a locking clamp, two pull claws, a pin shaft, a torsional spring and mass blocks, the locking clamp is fixed at the top of the wing rotation main shaft; and the two pull claws are arranged in the lateral deep groove of the locking clamp through the pin shaft and used for limiting the swinging of the horizontal shaft. The folding and unfolding of wing waving free degree at different rotation speeds can be realized through adjusting the distances of the mass blocks.