A self-balancing vibration damping system, comprising: an active vibration damping module, a control module, a sensor module, and a receiving module, wherein the sensor module is provided in an accommodation space of a transport equipment to acquire motion data of the transport equipment; the active vibration damping module comprises a first rotating assembly and a second rotating assembly; the first rotating assembly is provided in the accommodation space; and the second rotating assembly is provided at a driving end of the first rotating assembly, and the second rotating assembly is butted with the receiving module; and the control module is configured to control the first rotating assembly and the second rotating assembly to operate synchronously according to the motion data to provide a force opposite to a tilt direction of the receiving module; when the first rotating assembly drives the receiving module to roll, the second rotating assembly drives the receiving module to pitch; or when the first rotating assembly drives the receiving module to pitch, the second rotating assembly drives the receiving module to roll; the self-balancing vibration damping system further comprises a support module located below the receiving module, wherein the first rotating assembly and the sensor module are provided on the support module; the first rotating assembly comprises a first motor, a first flange seat, and a rotating pair support; the first motor and the rotating pair support are provided on the support module; and the first flange seat has a first end provided at a driving end of the first motor and a second end hinged to the rotating pair support; the second rotating assembly comprises a second motor and a second flange seat; the second motor is provided on the first flange seat, and the second flange seat is provided at a driving end of the second motor and butted with the receiving module; and a rotation axis of the first motor and a rotation axis of the second motor are perpendicular to each other, characterized in that the first flange seat is provided with a stop element, and the second flange seat is provided with an anti-collision element; and when the first flange seat and the second flange seat rotate, the stop element and the anti-collision element are butted and mated with each other to restrict continuous rotation of the first flange seat and the second flange seat. an active vibration damping module, a control module, a sensor module, and a receiving module, wherein the sensor module is provided in an accommodation space of a transport equipment to acquire motion data of the transport equipment; the active vibration damping module comprises a first rotating assembly and a second rotating assembly; the first rotating assembly is provided in the accommodation space; and the second rotating assembly is provided at a driving end of the first rotating assembly, and the second rotating assembly is butted with the receiving module; and the control module is configured to control the first rotating assembly and the second rotating assembly to operate synchronously according to the motion data to provide a force opposite to a tilt direction of the receiving module; when the first rotating assembly drives the receiving module to roll, the second rotating assembly drives the receiving module to pitch; or when the first rotating assembly drives the receiving module to pitch, the second rotating assembly drives the receiving module to roll; the self-balancing vibration damping system further comprises a support module located below the receiving module, wherein the first rotating assembly and the sensor module are provided on the support module; the first rotating assembly comprises a first motor, a first flange seat, and a rotating pair support; the first motor and the rotating pair support are provided on the support module; and the first flange seat has a first end provided at a driving end of the first motor and a second end hinged to the rotating pair support; the second rotating assembly comprises a second motor and a second flange seat; the second motor is provided on the first flange seat, and the second flange seat is provided at a driving end of the second motor and butted with the receiving module; and a rotation axis of the first motor and a rotation axis of the second motor are perpendicular to each other, characterized in that the first flange seat is provided with a stop element, and the second flange seat is provided with an anti-collision element; and when the first flange seat and the second flange seat rotate, the stop element and the anti-collision element are butted and mated with each other to restrict continuous rotation of the first flange seat and the second flange seat.