Wall painting machine for painting wall based on spraying technology

A wall painting machine for painting a wall based on a spraying technology relates to the field of wall painting equipment and comprises a wall painting machine main body, the wall painting machine main body comprises a telescopic rod group, the lower end of the telescopic rod group is fixedly connected with a grab handle, the upper end of the telescopic rod group is rotatably connected with a universal head, the universal head is fixedly connected with a spraying head, and the spraying head is fixedly connected with a spraying head. The spraying head comprises a mounting plate, a plurality of atomizing nozzles are arranged on the mounting plate, vertical baffles are arranged on the front side and the rear side of the mounting plate, connecting plates are arranged on the left side and the right side of the mounting plate, and rolling baffles are rotationally connected to the connecting plates. According to the wall painting device, wall corners can be painted conveniently in the spraying process, the color of