An integrated intelligent transformer belongs to the technical field of intelligent transformers in power industry, and consists of a transformer intelligent component and a transformer body equipped with sensors, wherein the transformer intelligent component comprises independent measuring units for acquiring various states and an intelligent module, as well as an internal bus communicating with the intelligent module and an interface of the intelligent module, which adopts the standard IEC61850 protocol to communicate with the upper layer; the various sensors and the transformer are integrally designed and mounted, optical fiber sensors are built in the transformer, the intelligent module further comprises a cooler and an intelligent control part of a tap switch, and the evaluation result of the states of the transformer is adopted, and the overload capacity, system loading condition and insulation and temperature conditions of the transformer are synthesized for comprehensive analysis on both the security and economy to achieve intelligent control.