Disclosed is a laundry treating apparatus. The laundry treating apparatus includes: a housing; a tub disposed inside the housing and having an extended cylindrical shape; a drum rotatably disposed on the tub; a driving part disposed below the tub and connected to the drum; a first bracket extending from the housing toward the tub, having a first through hole opened up and down, and having a cutout connected to the first through hole in an outer circumferential wall; a second bracket extending from the tub toward the housing, spaced apart from a lower side of the first bracket, and having a second through-hole opened up and down; and a suspension extending between the first bracket and the second bracket and connected to the first bracket and the second bracket. The suspension includes: an upper block disposed in an upper portion of the first bracket; a lower block disposed below the second bracket; a connecting bar passing through the upper block and the lower block, extending in a longitudinal direction of the tub, and having a diameter smaller than a width of the cutout; a spring extending along an up-down direction, disposed below the upper block, and surrounding the connecting bar; and a middle block disposed between the upper block and the spring to be movable downward with respect to the upper block, and having the connecting passing therethrough.