House building wall structure and construction method

The invention relates to the technical field of building wall bodies, in particular to a house building wall body structure and a construction method.The wall body structure comprises a wall body and a plurality of decorative plates arranged on the inner side of the wall body, outer frames for pressing the decorative plates on the wall body are arranged outside the decorative plates, each outer frame is composed of four pressing plates with L-shaped sections, and the outer frames are arranged on the outer sides of the decorative plates. A plurality of columns are installed at the positions, right opposite to the pressing plates, of the wall, through holes are formed in the ends, away from the pressing plates, of the columns, rectangular channels communicated with the through holes are formed in the other ends of the columns, elastic pieces are arranged in the rectangular channels, one ends of the elastic pieces are installed on the pressing plates, and the other ends of the elastic pieces extend into the thro