Environment-friendly exterior wall coating construction device and construction process thereof

The invention relates to an environment-friendly exterior wall coating construction device and a construction process thereof. The construction device comprises a suspension mechanism comprising a suspension bracket arranged on the top layer of a building and a steel wire rope fixedly arranged at the front end of the suspension bracket a lifting mechanism comprising a working platform which is connected to the steel wire rope in a sliding manner along the vertical direction and a driving part which drives the working platform to slide and a painting mechanism arranged on one side, facing the outer wall body, of the working platform; the painting mechanism comprises a mounting frame fixedly connected to the working platform; a storage box for storing paint is arranged on the mounting frame;the storage box is provided with a feeding port; a feeding roller for dipping the coating is rotationally arranged in the storage box; one side of the feeding roller penetrates through the feeding port to extend out of the s