Fabricated building template for constructional engineering

An assembly type building template for constructional engineering relates to the technical field of building templates and comprises a plane template, a first clamping strip and a second clamping strip, the first clamping strip is fixedly arranged on the left side wall of the plane template, the second clamping strip is fixedly arranged on the upper side wall of the plane template, and a corner template is arranged on the left side wall of the plane template in an abutting mode. A third clamping strip is fixedly arranged on the rear side wall of the corner formwork, a fourth clamping strip is fixedly arranged on the front portion of the left side wall of the corner formwork, a fifth clamping strip is fixedly arranged on the upper side wall of the corner formwork, and fan-shaped grooves are formed in the upper sides and the lower sides of the left side wall and the right side wall of the corner formwork correspondingly. The first fan-shaped blocks are fixedly arranged on the four corners of the front side wall