Energy-saving building outdoor floor installation structure and installation method thereof

The invention discloses an energy-saving building outdoor floor installation structure and an installation method thereof. The energy-saving building outdoor floor installation structure comprises a floor installed outdoors and a plurality of supports matched with the floor; semi-dovetail grooves are formed in two side edges of the bottom of the floor in a turning mode; the left ends and the rightends of the supports are bent upwards to form supporting parts matched with the semi-dovetail grooves; the supporting parts are in a semi-dovetail shape; when the supporting parts are matched with the semi-dovetail grooves, the lower end face of the floor is separated from the upper end faces of the supports to form a gap; and two inserting shafts are arranged at the bottom of each support. In the product, fixation between the floor and the ground is achieved through cooperation of the inserting shafts and inner plate pieces, and when a damaged floor needs to be maintained, if the floor has afront-back sliding space,