Indoor dust collection device for building construction

The invention relates to the technical field of indoor dust collection devices, and discloses an indoor dust collection device for building construction. The dust collection device comprises a dust collection device body, a dust collection pipe fixing ring is arranged on one side of the dust collection device body, a dust collection pipe is arranged at one end of the interior of the dust collection pipe fixing ring, a dust collection head fixing ring is arranged at the other end of the dust collection pipe, an electric wire is arranged on one side of the dust collection device body, and a spraying device body is arranged at the upper end of the electric wire. A water inlet is formed in one side of the spraying device body, a main pipe fixing ring is arranged on the upper surface of the spraying device body, a main pipe is arranged in the main pipe fixing ring, the upper end of the main pipe communicates with branch pipes, a plurality of spraying heads are arranged at the upper ends of the branch pipes, and un