Prefabricated building component hoisting equipment and offset monitoring method thereof

The invention discloses prefabricated building component hoisting equipment and an offset monitoring method thereof. The prefabricated building component hoisting equipment comprises two parallel cross beams, wherein tower frames are arranged at the two ends of each cross beam correspondingly, and the end parts of the cross beams are correspondingly arranged on the tower frames; rails are arrangedon the cross beams correspondingly, and a bridge crane is arranged between the rails of the two cross beams in an erected mode; and the prefabricated building component hoisting equipment further comprises a data receiver, each tower frame is provided with a coordinate measuring module, so that coordinates of the coordinate measuring modules are obtained in real time through the data receiver. According to the prefabricated building component hoisting equipment, the bridge crane is arranged in an erected mode, and components can be accurately conveyed to mounting parts, so that quick assemblyis realized, the construc