Moon cake packaging bag with heat preservation function

The moon cake packaging bag with the heat preservation function comprises an outer packaging bag body and a moon cake container, the moon cake container is arranged in the outer packaging bag body, two rectangular holes are formed in each of the two side faces of the outer packaging bag body, the rectangular holes are arranged in an up-down mode, lifting hooks are installed on the rectangular holes, and the moon cake container is in a cylindrical barrel shape. Lifting rings are arranged at two ends of the mooncake container; the mooncake container is mounted and hung in the outer packaging bagthrough the matching of the lifting rings and the lifting hooks; according to the utility model, the moon cake container is hung in the outer packaging bag through the cooperation of the lifting ringand the lifting hook, so that the moon cake container is not in direct contact with the outer packaging bag, and heat is prevented from being directly conducted to the outside through the outer packaging bag; the foam aluminu