Connecting structure of energy-saving door and window frame

The utility model discloses an energy-saving door and window frame connecting structure, which comprises an auxiliary frame, a frame, a cushion block, a frame buckling strip and a glass panel, the auxiliary frame is fixed on a main body structure, the frame is arranged on the auxiliary frame, the glass panel is arranged on the frame, the frame comprises an outer frame, an inner frame, a heat insulation strip and a connecting plate, and the glass cushion block is arranged between the glass panel and the frame. The connecting plate comprises a bottom plate and a rib plate, a group of first U-shaped grooves are formed in the bottom plate, a plurality of first sawtooth grooves are formed in the inner side of the bottom plate, a group of second U-shaped grooves matched with the first sawtooth grooves are formed in the cushion block, a plurality of second sawtooth grooves are formed in one face of the cushion block, and the direction of the second sawtooth grooves is perpendicular to the direction of the second U-s