A slide rail mechanism for a retractable screen structure, comprising: a holder assembly, the holder assembly comprising a holder, the holder having a plurality of guide rails extending along a first direction; and a slide rail assembly, the slide rail assembly comprising: a sliding member coupled to a flexible display screen of the retractable screen structure; and an elastic assembly, the elastic assembly comprising: at least one first elastic member and at least one second elastic member, the at least one first elastic member having a first end coupled to the holder and a second end coupled to the sliding member, characterized in that: each of the plurality of guide rails comprises a guide bar, and the at least one second elastic member is fitted over at least one of guide bars; and the sliding member comprises a plurality of slide slots corresponding to the number of the guide bars, and the slide slots are fitted over the guide bars, wherein the sliding member is arranged on the plurality of guide rails and slidable along the first direction, and the at least one first elastic member, the at least one second elastic member, and the flexible display screen are configured to be driven to move together when the sliding member slides along the guide rails. a holder assembly, the holder assembly comprising a holder, the holder having a plurality of guide rails extending along a first direction; and a slide rail assembly, the slide rail assembly comprising: a sliding member coupled to a flexible display screen of the retractable screen structure; and an elastic assembly, the elastic assembly comprising: at least one first elastic member and at least one second elastic member, the at least one first elastic member having a first end coupled to the holder and a second end coupled to the sliding member, a sliding member coupled to a flexible display screen of the retractable screen structure; and an elastic assembly, the elastic assembly comprising: at least one first elastic member and at least one second elastic member, the at least one first elastic member having a first end coupled to the holder and a second end coupled to the sliding member, characterized in that: each of the plurality of guide rails comprises a guide bar, and the at least one second elastic member is fitted over at least one of guide bars; and the sliding member comprises a plurality of slide slots corresponding to the number of the guide bars, and the slide slots are fitted over the guide bars, wherein the sliding member is arranged on the plurality of guide rails and slidable along the first direction, and the at least one first elastic member, the at least one second elastic member, and the flexible display screen are configured to be driven to move together when the sliding member slides along the guide rails. each of the plurality of guide rails comprises a guide bar, and the at least one second elastic member is fitted over at least one of guide bars; and the sliding member comprises a plurality of slide slots corresponding to the number of the guide bars, and the slide slots are fitted over the guide bars, wherein the sliding member is arranged on the plurality of guide rails and slidable along the first direction, and the at least one first elastic member, the at least one second elastic member, and the flexible display screen are configured to be driven to move together when the sliding member slides along the guide rails.