A shower cabin opening and closing door structure comprising: a movable door rotatable around an axis; a fixed door fixedly disposed, wherein the movable door is connected to the fixed door through a rotating shaft; a door closer that is connected between the movable door and the fixed door and comprises a main body internally provided with a damper, a door closer fixing piece connected to a first end of the main body, and a movable door connecting piece, wherein a sliding piece that is connected to the damper and can extend or retract along a longitudinal direction of the main body is disposed at a second end of the main body, an outer end of the sliding piece is hinged to the movable door connecting piece, and the movable door connecting piece is fixed to the movable door; wherein the door closer fixing piece is a fixed door clamping piece clamping on the top of the fixed door, and the movable door connecting piece is a movable door clamping piece clamping on the top of the movable door; wherein the fixed door clamping piece is provided with a fixed door bayonet at an outer end thereof and at least one first screw hole adjacent to the fixed door bayonet, wherein the fixed door bayonet is clamped on the top of the fixed door, and the fixed door clamping piece is fastened on the fixed door through a first fastening screw mating with the at least one first screw hole; and the fixed door clamping piece is connected with the main body through a connecting piece, a first end of the connecting piece is connected to the at least one first screw hole through threads, and a second end of the connecting piece is hinged with an end of the main body. a movable door rotatable around an axis; a fixed door fixedly disposed, wherein the movable door is connected to the fixed door through a rotating shaft; a door closer that is connected between the movable door and the fixed door and comprises a main body internally provided with a damper, a door closer fixing piece connected to a first end of the main body, and a movable door connecting piece, wherein a sliding piece that is connected to the damper and can extend or retract along a longitudinal direction of the main body is disposed at a second end of the main body, an outer end of the sliding piece is hinged to the movable door connecting piece, and the movable door connecting piece is fixed to the movable door; wherein the door closer fixing piece is a fixed door clamping piece clamping on the top of the fixed door, and the movable door connecting piece is a movable door clamping piece clamping on the top of the movable door; wherein the fixed door clamping piece is provided with a fixed door bayonet at an outer end thereof and at least one first screw hole adjacent to the fixed door bayonet, wherein the fixed door bayonet is clamped on the top of the fixed door, and the fixed door clamping piece is fastened on the fixed door through a first fastening screw mating with the at least one first screw hole; and the fixed door clamping piece is connected with the main body through a connecting piece, a first end of the connecting piece is connected to the at least one first screw hole through threads, and a second end of the connecting piece is hinged with an end of the main body.