The invention provides an elevator conveying device for cement kiln collaborative solid waste disposal. The elevator conveying device comprises an elevator tail, an elevator head, a material box, a buffer feeding box, a feeding belt and a cement kiln decomposing furnace, and is characterized in that the elevator head is arranged on an elevator frame, the lower end of the elevator head is connectedwith the elevator tail, the material box is arranged in the elevator tail, a link rod is arranged outside the material box, the buffer feeding box is arranged on one side of the elevator frame, an anti-leakage plate is arranged on one side, close to the elevator frame, of the buffer feeding box, the other side of the buffer feeding box is provided with monitoring equipment, the feeding belt is arranged below the buffer feeding box, the cement kiln decomposing furnace is arranged below the feeding belt, and a pneumatic air locking valve is arranged on the cement kiln decomposing furnace. According to the elevator conveying device for the cement kiln collaborative solid waste disposal, the problem that the solid waste is difficult to treat is solved, production equipment and processes are simplified, meanwhile, the treatment efficiency is improved, the cost is reduced, the potential safety production hidden danger and the environmental pollution are reduced, and the waste utilization isrealized.