Environment-friendly dustproof power distribution cabinet

The utility model relates to the technical field of power distribution cabinets, in particular to an environment-friendly dustproof power distribution cabinet which comprises an electric box, and the top end of the electric box is fixedly connected with a box cap. The shielding plate can hide and shield the glass observation window under the driving of the screw rod, so that the problems that the glass observation window is exposed outside for a long time to be damaged when the circuit is not checked usually, and the circuit can not be clearly observed by inspectors due to dark corners or dark reflection positions in the electric box can be prevented by lifting the lifting clamping plate on the box cap. The clamping cylinder and the spring connected with the bottom end of the clamping cylinder are driven to stretch out and draw back up and down, the reflecting plate in the electric box can be driven to incline by an angle through stretching out and drawing back of the spring, then light in the electric box ca