The invention discloses a multifunctional integrated measurement and control apparatus and system for an intelligent transformer station, for solving the technical problem of improving the integration of secondary equipment of the transformer station. The apparatus disclosed by the invention is provided with a measurement and control function circuit, a multifunctional circuit for dynamic and transient data monitoring and network message analysis and electric energy quality analysis, a process layer function circuit, and an intelligent manager for data exchange. The system disclosed by the invention is provided with a measurement and control function module, a synchronization phasor measuring module, an electric energy quality function module, a transient disturbance monitoring module, a liquid crystal panel management module, a process layer function module and an intelligent manager module. Compared to the prior art, the apparatus and system provided by the invention have the following advantages: the circuits work in cooperation with each other under the control of the intelligent manager, the land occupation area of secondary equipment is reduced, the integration of the secondary equipment of a transformer station is improved, the maintenance management efficiency is enhanced, unified data is provided for an electric power automation system, and stable state, dynamic and transient data monitoring, network message analysis and electric energy quality analysis functions are integrated.