Temporary automatic spraying system for building construction

The utility model discloses a temporary automatic spraying system for building construction, relates to the technical field of buildings, and solves the problems that a spraying gun is single in structure, low in practicability and incapable of being used in different occasions at the same time. The temporary automatic spraying system for building construction comprises a shell, and lifting blocks are movably connected to the two ends of one side of the upper portion of the shell; first fixing blocks are fixedly connected to the upper portions of the two lifting blocks, a spraying gun is rotationally connected to the middle of the two first fixing blocks, a water pipe is fixedly connected to the lower portion of the spraying gun, the other end of the water pipe downwards extends into the shell, a water outlet is formed in the other side of the spraying gun, and a supporting structure is fixedly connected to the other side of the upper portion of the shell. A lifting mechanism is arranged at the position, loca