A radiation inspection system, comprising: a movable inspection equipment, which is arranged movably relative to a stationary inspection equipment and has a second inspection channel for the vehicle to be inspected to pass through, wherein the movable inspection equipment comprises a horizontal viewing angle inspection device for scanning inspection on sides of the vehicle to be inspected; a stationary inspection equipment, which has a first inspection channel for a vehicle to be inspected to pass through and comprises a vertical viewing angle inspection device for radiation inspection on a top side or a bottom side of the vehicle to be inspected; the radiation inspection system has a standard inspection mode and a rapid inspection mode, and comprises a control device configured to switch the inspection system between said standard and rapid inspection modes; in the standard inspection mode, the vertical viewing angle inspection device outputs a first radiation scanning ray to inspect the vehicle to be inspected travelling through the first inspection channel, the movable inspection equipment moves along a length direction of the vehicle to be inspected, and the horizontal viewing angle inspection device outputs a third radiation scanning ray to inspect the vehicle to be inspected passing through the second inspection channel; in the rapid inspection mode, the vertical viewing angle inspection device outputs a second radiation scanning ray to inspect the vehicle to be inspected travelling through the first inspection channel, the movable inspection equipment is fixed, and the horizontal viewing angle inspection device outputs a fourth radiation scanning ray to inspect the vehicle to be inspected passing through the second inspection channel; and the output energy of the third radiation scanning ray is higher than that of the fourth radiation scanning ray, and/or the dose of the third radiation scanning ray is higher than that of the fourth radiation scanning ray. a movable inspection equipment, which is arranged movably relative to a stationary inspection equipment and has a second inspection channel for the vehicle to be inspected to pass through, wherein the movable inspection equipment comprises a horizontal viewing angle inspection device for scanning inspection on sides of the vehicle to be inspected; a stationary inspection equipment, which has a first inspection channel for a vehicle to be inspected to pass through and comprises a vertical viewing angle inspection device for radiation inspection on a top side or a bottom side of the vehicle to be inspected; the radiation inspection system has a standard inspection mode and a rapid inspection mode, and comprises a control device configured to switch the inspection system between said standard and rapid inspection modes; in the standard inspection mode, the vertical viewing angle inspection device outputs a first radiation scanning ray to inspect the vehicle to be inspected travelling through the first inspection channel, the movable inspection equipment moves along a length direction of the vehicle to be inspected, and the horizontal viewing angle inspection device outputs a third radiation scanning ray to inspect the vehicle to be inspected passing through the second inspection channel; in the rapid inspection mode, the vertical viewing angle inspection device outputs a second radiation scanning ray to inspect the vehicle to be inspected travelling through the first inspection channel, the movable inspection equipment is fixed, and the horizontal viewing angle inspection device outputs a fourth radiation scanning ray to inspect the vehicle to be inspected passing through the second inspection channel; and the output energy of the third radiation scanning ray is higher than that of the fourth radiation scanning ray, and/or the dose of the third radiation scanning ray is higher than that of the fourth radiation scanning ray.