Cast-in-place concrete built-in thermal insulation wall and construction method

The invention belongs to the technical field of building construction, and provides a cast-in-place concrete built-in thermal insulation wall and a construction method.The cast-in-place concrete built-in thermal insulation wall comprises an outer wall body, an inner wall body and a thermal insulation board arranged between the outer wall body and the inner wall body, and a steel reinforcement framework is arranged in the outer wall body; the connecting rod assemblies are arranged among the outer wall body, the heat preservation plate and the inner wall body, first limiting pieces and second limiting pieces are arranged on the connecting rod assemblies, the heat preservation plate is located between the first limiting pieces and the second limiting pieces, and the two ends of each connecting rod assembly are detachably connected with an outer blocking assembly and an inner blocking assembly correspondingly. The outer blocking assembly and the inner blocking assembly are used for fixing the outer formwork and t