The invention discloses an aluminum-coating garment packaging bag. The packaging bag is composed of two side surfaces, and is characterized in that transparent windows are arranged at the left lower part and the right upper part of a bag body respectively, a hanging hole is formed in the lower side of an upper opening of the bag body, and a transverse zipper is arranged between the two side surfaces under the hanging hole. According to the aluminum-coating plastic packaging bag, the problem that the color characteristics of clothes in the bag cannot be seen due to the bag is not transparent issolved, and the packaging bag is suitable for packaging and using of various kinds of clothes.