A slide rail mechanism for a retractable screen structure, comprising: a holder assembly comprising a holder; and a slide rail assembly comprising: a fixed seat fixedly coupled to the holder; a sliding member coupled to a flexible display screen of the retractable screen structure and arranged on the fixed seat and slidable along a first direction; and an elastic assembly having a first end coupled to the fixed seat and a second end coupled to the sliding member, wherein the second end of the elastic assembly and the flexible display screen are configured to be driven to move together when the sliding member slides along the first direction relative to the fixed seat characterized in that: the elastic assembly comprises a first rod member, a second rod member, and a plurality of groups of elastic members, the first rod member and the second rod member being coupled together by insertion, and the elastic members being coupled between the first rod member and the second rod member; the first rod member is coupled to the fixed seat, and the second rod member is coupled to the sliding member; the second rod member is configured to be driven to slide relative to the first rod member, and to cooperate with the first rod member to stretch or compress the elastic members, when the sliding member slides relative to the fixed seat; the first rod member has a first end fixed to the fixed seat and a second end protruding outwardly and forming a first bump; the second rod member has a first end fixed to the sliding member and a second end protruding outwardly and forming a second bump; and the plurality of groups of elastic members are evenly distributed between the first bump and the second bump. a holder assembly comprising a holder; and a slide rail assembly comprising: a fixed seat fixedly coupled to the holder; a sliding member coupled to a flexible display screen of the retractable screen structure and arranged on the fixed seat and slidable along a first direction; and an elastic assembly having a first end coupled to the fixed seat and a second end coupled to the sliding member, a fixed seat fixedly coupled to the holder; a sliding member coupled to a flexible display screen of the retractable screen structure and arranged on the fixed seat and slidable along a first direction; and an elastic assembly having a first end coupled to the fixed seat and a second end coupled to the sliding member, wherein the second end of the elastic assembly and the flexible display screen are configured to be driven to move together when the sliding member slides along the first direction relative to the fixed seat characterized in that: the elastic assembly comprises a first rod member, a second rod member, and a plurality of groups of elastic members, the first rod member and the second rod member being coupled together by insertion, and the elastic members being coupled between the first rod member and the second rod member; the first rod member is coupled to the fixed seat, and the second rod member is coupled to the sliding member; the second rod member is configured to be driven to slide relative to the first rod member, and to cooperate with the first rod member to stretch or compress the elastic members, when the sliding member slides relative to the fixed seat; the first rod member has a first end fixed to the fixed seat and a second end protruding outwardly and forming a first bump; the second rod member has a first end fixed to the sliding member and a second end protruding outwardly and forming a second bump; and the plurality of groups of elastic members are evenly distributed between the first bump and the second bump. the elastic assembly comprises a first rod member, a second rod member, and a plurality of groups of elastic members, the first rod member and the second rod member being coupled together by insertion, and the elastic members being coupled between the first rod member and the second rod member; the first rod member is coupled to the fixed seat, and the second rod member is coupled to the sliding member; the second rod member is configured to be driven to slide relative to the first rod member, and to cooperate with the first rod member to stretch or compress the elastic members, when the sliding member slides relative to the fixed seat; the first rod member has a first end fixed to the fixed seat and a second end protruding outwardly and forming a first bump; the second rod member has a first end fixed to the sliding member and a second end protruding outwardly and forming a second bump; and the plurality of groups of elastic members are evenly distributed between the first bump and the second bump.