Building engineering construction formwork convenient to install

The utility model discloses a constructional engineering construction template convenient to install, which comprises a template body, one side of the template body is fixedly provided with a connecting plate, the connecting plate is provided with an installing groove, the installing groove is internally and fixedly provided with a hollow connecting block, the connecting block is internally and rotatably connected with a screw rod, the screw rod is in threaded connection with a movable plate, and the movable plate is provided with a movable groove. A clamping block is fixedly arranged on the movable plate, an inner block is fixedly arranged in the side, away from the connecting plate, of the connecting block, a fixing groove communicating with the outside is formed in the side, away from the formwork body, of the inner block, and a fixing block matched with the fixing groove in size is fixedly arranged on the side, away from the connecting plate, of the formwork body. The inner block is provided with a slidin