The utility model provides a reinforcement system of L shape infilled wall constructional column template, including constructional column convex location template and constructional column reentrantcorner template, constructional column convex location template lateral surface is fixed with the vertical secondary joist of external corner, and external corner department is located to the verticalsecondary joist of its two external corner, and the overlap joint has the horizontal main joist of first horizontal main joist and second on the vertical secondary joist of external corner of constructional column convex location template both sides, constructional column reentrant corner template medial surface is fixed with the vertical secondary joist of reentrant corner, and reentrant cornerdepartment is located to the vertical secondary joist of one of which reentrant corner, and the overlap joint has the lumps of wood on the vertical secondary joist of reentrant corner of constructional column reentrant corner template one side, it is fixed to consolidate the combination screw rod through convex location template between the horizontal main joist of first horizontal main joist andsecond, and vertical secondary joist of reentrant corner and the vertical secondary joist of external corner are through first fixed to drawing the screw rod to drawing screw rod and second. The utility model discloses easy to assemble and dismantle, but regularization reuse practices thrift the cost, improves constructional column concrete shaping impression quality.