Building engineering template fixing device

The utility model discloses a constructional engineering template fixing device which comprises a device body, the device body comprises a first engineering template, a second engineering template and a locking fixator, the first engineering template and the second engineering template are distributed in a transverse equidistant mode, and threaded holes are formed in the four corners of the surface of the first engineering template and the four corners of the surface of the second engineering template. The locking fixer is mounted in the threaded hole through a thread and is connected with the first engineering template and the second engineering template respectively; the locking fixator comprises a threaded locking rod, a jacking block and a rotating disc, the jacking block and the rotating disc are both installed at the right end of the threaded locking rod, the jacking block is located at the front end of the rotating disc, the jacking block is of a circular structure, and a plurality of sets of anti-skid