The utility model discloses an integrated device of electric energy quality monitoring and fault recording. The integrated device comprises an information collection module and an information processing module. The information collection module and the information processing module are connected with each other. The information collection module comprises a programmable logic controller and a plurality of groups of mutual inductors. The plurality of groups of mutual inductors are connected with the programmable logic controller through a signal conditioning circuit. The programmable logic controller is connected with a microprocessor inside the information processing module. The information processing module comprises a memory unit circuit, a communication unit circuit and a man-machine interaction unit circuit, all of which are connected with the microprocessor. The integrated device of the utility model has functions of both electric energy quality monitoring and fault recording, helps to provide reliable analysis data, enables losses caused by electric energy quality problems and faults to be minimized, allows costs for manufacturing of equipment to be lowered, and helps to promote rapid development of a micro-electrical network.