A container inspection system, comprising: a quay crane, comprising: an inspection platform; and a hoisting component, for hoisting and transporting a container and placing the container to the inspection platform; a sensor, disposed on the inspection platform, for detecting whether the container arrives at the inspection platform; and an inspection device, disposed on the inspection platform, for performing scanning inspection on the container arriving at the inspection platform; wherein the inspection platform is provided with an inspection station and a temporary storage station, the inspection station configured to receive the container hoisted and transported by the hoisting component, the inspection device being configured to perform scanning inspection on the container arriving at the inspection station, and the temporary storage station configured to temporarily store the container on which scanning inspection is completed; wherein the inspection device comprises: an installation base disposed on the inspection platform; an L-shaped arm with one end mounted on the installation base, and the other end being a free end, the L-shaped arm and the installation base forming a frame with an opening underneath; a ray source mounted on the installation base; and a detector mounted on the L-shaped arm; wherein the installation base is disposed on a side of the inspection station away from the temporary storage station, and a vertical portion of the L-shaped arm is disposed on a side of the inspection station close to the temporary storage station. a quay crane, comprising: an inspection platform; and a hoisting component, for hoisting and transporting a container and placing the container to the inspection platform; an inspection platform; and a hoisting component, for hoisting and transporting a container and placing the container to the inspection platform; a sensor, disposed on the inspection platform, for detecting whether the container arrives at the inspection platform; and an inspection device, disposed on the inspection platform, for performing scanning inspection on the container arriving at the inspection platform; wherein the inspection platform is provided with an inspection station and a temporary storage station, the inspection station configured to receive the container hoisted and transported by the hoisting component, the inspection device being configured to perform scanning inspection on the container arriving at the inspection station, and the temporary storage station configured to temporarily store the container on which scanning inspection is completed; wherein the inspection device comprises: an installation base disposed on the inspection platform; an L-shaped arm with one end mounted on the installation base, and the other end being a free end, the L-shaped arm and the installation base forming a frame with an opening underneath; a ray source mounted on the installation base; and a detector mounted on the L-shaped arm; wherein the installation base is disposed on a side of the inspection station away from the temporary storage station, and a vertical portion of the L-shaped arm is disposed on a side of the inspection station close to the temporary storage station. an installation base disposed on the inspection platform; an L-shaped arm with one end mounted on the installation base, and the other end being a free end, the L-shaped arm and the installation base forming a frame with an opening underneath; a ray source mounted on the installation base; and a detector mounted on the L-shaped arm; wherein the installation base is disposed on a side of the inspection station away from the temporary storage station, and a vertical portion of the L-shaped arm is disposed on a side of the inspection station close to the temporary storage station.