The utility model provides an electric control integrated device for an oil field united station. The electric control integrated device comprises a skid, the skid is divided into a combined transformer room and a low-voltage distribution room through a block, a low-voltage distribution unit, a control unit, a communication unit and a UPS unit are installed in the low-voltage distribution room, a combined transformer is fixed in the combined transformer room, units in the skid are connected through cables, and the cables are arranged in a communicated space in a skid pedestal under the bottom floors of the combined transformer room and the low-voltage distribution room. The electric control integrated device for the oil field united station is compact in structure and high in complete set performance, and can achieve unattended operation, and can be reused, design standardization, construction modularization and management digitization of the oil field united station can be facilitated, remote monitoring and unattended operation of the oil field united station are achieved, and therefore the comprehensive cost is reduced, and the digital management level is increased.