Folding shopping bag

The utility model relates to a shopping bag, which can be folded into a female single shoulder bag, and comprises a carrying buckle, a big bag, folding wheels and supporting feet, wherein the folding wheels and the supporting feet are arranged on the bottom of the bag. The utility model is characterized in that the front face of the big bag is provided with a nylon zip fastener small bag; the middle of the top of the big bag is provided with a snap fastener buckle; both sides of the upper part of the back face of the big bag are provided with nylon buckles which are matched with nylon buckles arranged on both ends of one side of the bottom of the bag when the bag is folded. When users buy a plurality of articles, the bid bag moves conveniently by the wheels so as to save labor. When the users carry a small amount of objects, the nylon buckles on the bottom of the bag are buckled with the nylon buckled on the back face of the big bag to form a female small bag after the wheels are folded. The shopping bag which is carried and used conveniently is accepted by people.