The invention discloses a heat-insulating outer wall ceramic tile wall surface structure and a construction method thereof. According to the key points of the technical scheme, the heat-insulating outer wall ceramic tile wall surface structure comprises outer wall ceramic tiles and heat-insulating pieces and further comprises a plurality of fixing blocks and a plurality of fixing nails corresponding to the fixing blocks one to one; the heat-insulating pieces are located between the fixing blocks and a building outer wall, the fixing nails penetrate through the fixing blocks and the heat-insulating pieces correspondingly, and the fixing blocks and the heat-insulating pieces are fixed to the corresponding building outer wall; the multiple fixing blocks are arranged in a rectangular arrayed mode, and a mounting area is defined by every four fixing blocks; the outer wall ceramic tiles are located in the mounting areas correspondingly, and the side walls of the outer wall ceramic tiles adhere to the side walls of the fixing blocks; the dismounting, mounting and replacing processes are convenient and fast, and the practical replacing demands of the heat-insulating pieces can be met; andthe construction method is also provided, and the overall mounting process is convenient.