The utility model relates to a pole climbing and cleaning device. The pole climbing and cleaning device includes a pole climbing mechanism and a cleaning mechanism. The pole climbing mechanism comprises a lower supporting plate and an upper supporting plate; ball screws with nuts are vertically arranged between the lower supporting plate and the upper supporting plate; the ball screws penetrate the upper supporting plate, the nuts are fixedly connected with the upper supporting plate; the lower ends of the ball screws are rotatablely connected with the lower supporting plate; and the lower supporting plate and the upper supporting plate are horizontally provided with a clamping mechanism respectively. The cleaning mechanism includes an upper arm; an end portion of the upper arm is rotatablely connected with a front arm; and an end portion of the front arm is provided with a clamping cleaning mechanism. With the pole climbing and cleaning device of the utility model adopted, pole climbing and cleaning work can be carried out, and mechanization of pole climbing and insulator cleaning can be realized; manual work can be replaced, and time and labor can be saved, and cleaning is thorough and comprehensive; insulator pollution flashover phenomena can be eliminated. The pole climbing and cleaning device has the advantages of simple operation and convenient use.