To provide a rotary blade that can prevent from being chipped and a bush cutter equipped with the rotary blade.

Protruded parts 2d1, 2d2, etc., are formed so as to be protruded to the outside of blades 2b, etc., on the parts of blades 2b, etc., provided on the outer periphery of the rotary blade body part 2a and either one 2d1 of the protruded parts 2d1 and 2d2 arranged adjacent to a plurality of protruded parts 2d1, 2d2, etc., is vertically curved in protruded state in one direction to the surface of the rotary blade body part 2a and the other 2d2 of the protruded parts 2d1 and 2d2 arranged adjacent to a plurality of protruded parts 2d1, 2d2, etc., is vertically curved in other direction to the surface of the rotary blade body part 2a.