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 . <EOS>