Earth surface protection structure for subway construction

The utility model provides a ground surface protection structure for subway construction. The earth surface protection structure comprises a first baffle, a second baffle, a third baffle and a fourthbaffle. A rectangle is defined by the first baffle, the second baffle, the third baffle and the fourth baffle; a first door plate is arranged at the joint of the first baffle and the second baffle, afirst sliding groove is formed in the first baffle, the first door plate can slide along the first sliding groove, a second door plate is arranged at the joint of the third baffle and the second baffle, a second sliding groove is formed in the third baffle, and the second door plate can slide along the second sliding groove. The first door plate and the second door plate in the earth surface protection structure are opened in a sliding mode, and the occupied area of the whole construction site is reduced. And meanwhile, the internal environment can be cleaned and subjected to dust falling, flying dust is prevented from