Shot blasting treatment device for construction surface layer of building

The utility model relates to a building surface layer construction tool, in particular to a shot blasting treatment device for a construction surface layer of a building. In order to solve the technical problem that a hose is easy to wear when a building surface layer treatment device is used, the building construction surface layer shot blasting treatment device comprises a shot blasting machine, a dust and impurity collector and the hose for connecting the shot blasting machine and the dust and impurity collector, and a plurality of moving seats are arranged below the hose. Compared with the prior art, the movable seat capable of moving at multiple angles is arranged on the hose, so that the hose can be freely adjusted along with the position of the shot blasting machine when the building surface layer of the shot blasting machine works. The hose of the shot blasting machine is flexible and convenient to move, and the hose is prevented from being manually carried and moved many times in the working and movi