The invention discloses a flexible display screen with an adjusting frame and a using method. The flexible display screen comprises the adjusting frame and the flexible display screen, the adjusting frame comprises a top edge, a first side edge, a bottom edge and a second side edge, and the top edge, the first side edge, the bottom edge and the second side edge form a rectangle. The flexible display screen is fixedly installed on the inner sides of the top edge, the first side edge, the bottom edge and the second side edge, the top edge is composed of a first angle seat, a second angle seat and a transverse adjusting structure, the first angle seat is located at one end of the transverse adjusting structure, and the second angle seat is located at the other end of the transverse adjusting structure. According to the flexible display screen with the adjusting frame, firstly, the angle of the flexible display screen can be adjusted conveniently, operation is convenient, secondly, installation of the flexible display screen is faster and easier, later maintenance is facilitated, in addition, due to the modular design, the flexible display screen with the adjusting frame is conveniently suitable for flexible display screens of different sizes, and the application range is wide.