Plastic bag opening supporting frame

The utility model discloses a plastic bag opening supporting frame which comprises two stand bars (1) and two curved bars (2) connected to the lower ends of the stand bars (1). Fixing components are arranged at the upper ends of the stand bars (1), the curved bars (2) are provided with protruding parts for hanging lifting handles of a plastic bag, and the ends of the two curved bars (2) are connected through a connecting bar I (3). The plastic bag opening supporting frame is simple in structure and convenient to use; bag openings can be supported well, so that articles can be put into the bags, waste plastic bags can be hung on the plastic bag opening supporting frame to serve as garbage bags, recycling is achieved, energy is saved, environment is protected, and the plastic bag opening supporting frame has high practicability and is easily accepted by the public.