A buckle device comprising: a main unit includes a housing surrounding a housing space, a disk support body disposed in the housing space, and a press support body disposed in the housing space, the buckle device being characterized by comprising, at least one disk unit includes a vertical disk pivotally connected to the disk support body, a first clamping region disposed on the vertical disk, a spring housing disposed on the vertical disk, a spring disk support region disposed on the vertical disk, and a rotation limiting region disposed on the vertical disk, wherein the vertical disk is movable between a disk latched position and a disk unlatched position, and the press support body presses against the rotation limiting region; a press unit includes a press body disposed on the housing, at least one press limiting through-hole disposed on the press body, at least one press latching region disposed on the press body, and at least one spring press support region disposed on the press body, when the vertical disk located at the disk latched position, the press support body cooperating with the press limiting through-hole, the press body being movable between a press latched position and a press unlatched position, when the press body located at the press latched position, the first clamping region engaged with the press latching region to fasten the vertical disk on the disk latched position; and an elastic unit includes at least one first spring body, wherein the first spring body is a thrust spring, the spring disk support region supporting one end of the first spring body, the spring press support region supporting the other end of the first spring body, the spring housing accommodating the first spring body, the first spring body pushing the vertical disk to the disk unlatched position, and the first spring body pushing the press body to the press latched position. a main unit includes a housing surrounding a housing space, a disk support body disposed in the housing space, and a press support body disposed in the housing space, the buckle device being characterized by comprising, at least one disk unit includes a vertical disk pivotally connected to the disk support body, a first clamping region disposed on the vertical disk, a spring housing disposed on the vertical disk, a spring disk support region disposed on the vertical disk, and a rotation limiting region disposed on the vertical disk, wherein the vertical disk is movable between a disk latched position and a disk unlatched position, and the press support body presses against the rotation limiting region; a press unit includes a press body disposed on the housing, at least one press limiting through-hole disposed on the press body, at least one press latching region disposed on the press body, and at least one spring press support region disposed on the press body, when the vertical disk located at the disk latched position, the press support body cooperating with the press limiting through-hole, the press body being movable between a press latched position and a press unlatched position, when the press body located at the press latched position, the first clamping region engaged with the press latching region to fasten the vertical disk on the disk latched position; and an elastic unit includes at least one first spring body, wherein the first spring body is a thrust spring, the spring disk support region supporting one end of the first spring body, the spring press support region supporting the other end of the first spring body, the spring housing accommodating the first spring body, the first spring body pushing the vertical disk to the disk unlatched position, and the first spring body pushing the press body to the press latched position.