A lens protection device, comprising: a housing comprising an opening and at least one connecting portion; a first sliding cover comprising: a first cover plate; a first connecting shaft, wherein one end of the first connecting shaft is connected to the first cover plate, another end of the first connecting shaft is pivotally connected to the connecting portion, and the first connecting shaft is rotated to move the first cover plate; a first magnet disposed at a front end of the first cover plate; and a second magnet disposed at a rear end of the first cover plate; and a second sliding cover comprising: a second cover plate; and a second connecting shaft, wherein one end of the second connecting shaft is connected to the second cover plate, another end of the second connecting shaft is pivotally connected to the connecting portion, the second connecting shaft is rotated to move the second cover plate; characterized in that, when the first cover plate is moved in a first direction, the first magnet and a front end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in a closed position to shield the opening, and when the first cover plate is moved in a second direction opposite to the first direction, the second magnet and a rear end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in an opened position to expose the opening. a housing comprising an opening and at least one connecting portion; a first sliding cover comprising: a first cover plate; a first connecting shaft, wherein one end of the first connecting shaft is connected to the first cover plate, another end of the first connecting shaft is pivotally connected to the connecting portion, and the first connecting shaft is rotated to move the first cover plate; a first magnet disposed at a front end of the first cover plate; and a second magnet disposed at a rear end of the first cover plate; and a first cover plate; a first connecting shaft, wherein one end of the first connecting shaft is connected to the first cover plate, another end of the first connecting shaft is pivotally connected to the connecting portion, and the first connecting shaft is rotated to move the first cover plate; a first magnet disposed at a front end of the first cover plate; and a second magnet disposed at a rear end of the first cover plate; and a second sliding cover comprising: a second cover plate; and a second connecting shaft, wherein one end of the second connecting shaft is connected to the second cover plate, another end of the second connecting shaft is pivotally connected to the connecting portion, the second connecting shaft is rotated to move the second cover plate; characterized in that, when the first cover plate is moved in a first direction, the first magnet and a front end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in a closed position to shield the opening, and when the first cover plate is moved in a second direction opposite to the first direction, the second magnet and a rear end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in an opened position to expose the opening. a second cover plate; and a second connecting shaft, wherein one end of the second connecting shaft is connected to the second cover plate, another end of the second connecting shaft is pivotally connected to the connecting portion, the second connecting shaft is rotated to move the second cover plate; characterized in that, when the first cover plate is moved in a first direction, the first magnet and a front end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in a closed position to shield the opening, and when the first cover plate is moved in a second direction opposite to the first direction, the second magnet and a rear end of the second cover plate are attracted to each other, so that the first cover plate and the second cover plate are in an opened position to expose the opening.