Connecting structure of environment-friendly door and window frame

The utility model discloses an environment-friendly door and window frame connecting structure which comprises a connecting window body and a window frame, a window body fixing plate is fixedly connected in the connecting window body, a window body limiting plate inserted in the window frame is fixedly connected to the end face of the window body fixing plate, and a window frame limiting plate in the window frame fixing plate is fixedly connected in the window frame. The window body limiting plates and the window frame limiting plates are distributed in a staggered mode, lock catch plates are installed between the connected window body and the window frame, extending lock plates are fixedly connected into the lock catch plates, and the extending lock plates are inserted into the window body limiting plates and the window frame limiting plates in a penetrating mode. The extending lock plate of the lock catch plate penetrates through the window body limiting plate and the window frame limiting plate which are c