The utility model discloses a lithium battery electrode sheet cleaning device. Moving base, a cleaning box is arranged at the top of the movable base; linear sliding rails are arranged on the left andright sides of the top of the cleaning box; electric sliding blocks are arranged at the tops of the linear sliding rails; the top of the electric sliding block is fixedly connected with a supportingplate. A bearing plate is arranged at the bottom of the supporting plate; a high-pressure air nozzle and a cleaning sprayer are arranged at the bottom of the bearing plate; a placing plate is arrangedin an inner cavity of the cleaning box; a spiral groove is formed in the top of the placing plate; sucker mechanisms are evenly arranged at the top of an inner cavity of the spiral groove. Rotating shafts are fixedly connected to the left side and the right side of the placing plate; a gear is fixedly connected to the right side of the right rotating shaft; the lithium battery electrode slice material surface cleaning device is reasonable in structural design, oil stains and dust particles on the surface of a lithium battery electrode slice material can be cleaned conveniently, and the service life of a lithium battery finished product is prolonged.