The invention discloses a blockage clearing device for a kitchen pipeline. The blockage clearing device for the kitchen pipeline comprises a first column body and a rotary block, a second column bodyis connected to the lower part of the first column body, a first suction cup is connected with the upper end of the first column body, a through hole is reserved in the center of the interior of the first column body, and a piston is arranged in the through hole; second connection rods are connected with the two sides of a movable rod, lock rods are connected with the outer sides of the second connection rods, third connection rods are arranged on the two sides of the position below a movable block respectively, and a smashing rod is connected with the lower ends of the third connection rods;the smashing rod is connected with a rotary rod through a mounting block, a guiding trough is arranged at the joint of the rotary block and a rolling bead, a first pulling rope is connected with the rotary block through the mounting block, a limiting sheet is arranged below a spring, and pulleys are arranged on the two sides of the position below the limiting sheet. The blockage clearing device for the kitchen pipeline is convenient to mount and erect, low in cost, convenient to operate, does not require excessive labor, and is suitable for large-scale popularization.