Composite template system

The invention provides a composite template system. The composite template system comprises a template matrix, a support assembly and a cover plate, wherein the support assembly is fixed on the top of the template matrix and is covered by the cover plate; the template matrix is formed by surrounding of a wall side aluminum template and a beam side aluminum template; the support assembly is formed by surrounding of a plurality of supporting corner fittings; the cover plate is a non-metal plate; and the supporting corner fittings include a base plate and a vertical plate, the base plate is fixed on the top of the template matrix, the vertical plate vertically stretches upwards from the base plate, a hollow cavity is formed through the surrounding of the vertical plate, a gap matched with the top of the vertical plate is formed in the periphery of the bottom of the cover plate, and the cover plate is clamped to the vertical plate. Compared with the prior art, the composite template system has the beneficial effe