The invention provides a thermotechnical electric quantity type energy efficiency data collecting terminal, which comprises a micro-processing module MCU, a data memory module, a power supply module and an RS485 interface; the micro-processing module MCU is connected with a signal collecting module; the power supply module provides power for the micro-processing module MCU; the data memory module, the RS485 interface, a micro-power wireless module and a PLC carrier module are bi-directionally connected with the micro-processing module MCU; a metering module is and the micro-processing module MCU are in two-way connection; and three paths of voltage collecting modules and three paths of current collecting modules and the metering module are in one-way connection. The thermotechnical electric quantity type energy efficiency data collecting terminal is featured with high interference resistance, high reliability, and capability of solving problems in thermotechnical quantity data collection and transmission. The thermotechnical electric quantity type energy efficiency data collecting terminal realizes collection capable of fully adapting the industrial spot energy efficiency thermaltechnical quantity, such as clustering arrangement, multi-data type collection, multi-connector transmission and the like. In addition, in consideration of different working environment demands, such as micro-power wireless way, PLC and other signal transmission ways adopted in communicating mode, the terminal leaves expanded interface for intelligent control of the further main station.