Constructional column structure of fabricated wallboard

The constructional column structure comprises a column body and two wall bodies, the two wall bodies are arranged in a spaced mode, a containing groove for containing the column body is formed between the two wall bodies, and through grooves are formed in the two side walls of the two wall bodies in the height direction of the wall bodies respectively. The two side walls of the column body are each provided with a plurality of inserting blocks, the inserting blocks are in inserting fit with the corresponding through grooves, a pouring groove is formed in the end face of the column body in the height direction of the column body in a penetrating mode, and pouring holes communicating with the pouring groove are formed in the end faces of the inserting blocks; the outer circumferential walls of the multiple inserting blocks are in clearance fit with the inner circumferential walls of the corresponding through grooves, and fixing blocks are arranged on the two side walls of the multiple inserting blocks. The util