Prefabricated assembly type constructional column for filler wall and construction method of prefabricated assembly type constructional column

The invention discloses a prefabricated constructional column for an infilled wall and a construction method thereof.The prefabricated constructional column comprises a concrete main body, longitudinal bars and stirrups fixed to the longitudinal bars are arranged in the concrete main body, the longitudinal bars and the stirrups are bound or welded to form a reinforcement cage, the lower ends of the longitudinal bars are flush with the concrete main body, and the upper ends of the longitudinal bars penetrate out of the concrete main body; the concrete body is provided with joint bar holes extending in the longitudinal bar direction, and openings in one ends of the joint bar holes are located in the lower end surface of the concrete body. After being prefabricated in a factory, the prefabricated assembly type constructional column is transported and hoisted to a site to be installed, constructional column joint bars and constructional column stirrups are reserved at the corresponding positions of a lower-layer