A collimation and calibration integrative apparatus for container inspection system includes a collimating block; a calibrating block; a base plate; a motor and a plurality of supporting units fixed on the base plate; a transmission unit coupled to the motor for transmitting movement from the motor to a bearing plate, characterized in that the apparatus further includes: a sliding plate having one end connected to the bearing plate and the other end slidably fitted to guide rails provided on the base plate; a stationary plate fixedly connected to the sliding plate, wherein the collimating block and the calibrating block are provided on the stationary plate to form an integrative structure and an assembly gap is formed between the collimating block and the calibrating block, whereby the collimating block and the calibrating block on the stationary plate are driven by the transmission unit and the bearing plate to be moved integrally.