Abstract: Disclosed is a one-touch slide assembly type wiper blade in which a rail spring is coupled to an upper part of a rubber blade, a base cover is formed, in the longitudinal direction thereof, at the center of the rubber blade including the rail spring, and right and left spoilers are respectively assembled at both right and left parts of the base cover, wherein one or more bracket-shaped grip parts are formed on the bottom surface of the base cover respectively at the front side and the rear side thereof, and then the base cover is slidingly assembled in a state in which bidirectional movement can be freely performed using grip parts, and the right and left positions of the base cover, which is slidingly assembled, are fixed by the right and left spoilers, which are respectively coupled to the both side parts of the base cover.