Canopy and building machine system

The utility model relates to the technical field of building construction, and provides a rain shed and a building machine system.The rain shed comprises a guide rail assembly, a rain shed assembly and a rain shed assembly, the canopy assembly comprises canopy cloth and a canopy framework, the canopy framework comprises a driving framework and a driven framework connected with the driving framework, the two ends of the driving framework and the two ends of the driven framework are movably connected with the first guide rail and the second guide rail respectively, and the canopy cloth is connected with the driving framework, the driven framework and the end, close to the driven framework, of the guide rail assembly; the driving assembly is connected with the driving framework and suitable for driving the driving framework to move in the direction close to or away from the driven framework so that the canopy cloth can be folded or unfolded. When the technical scheme is applied to building construction, the work