The invention discloses an electric energy monitoring device and method with a load sensing function. The electric energy monitoring device with the load sensing function comprises a metering chip, aload identification module and a management chip; the metering chip sends the received electricity consumption data of a voltage sampling signal and a current sampling signal to the load identification module; the management chip sends a feature quantity for identifying an electrical equipment category to the load identification module; and the load identification module extracts electricity consumption features of the electricity consumption data, and the load identification module identifies the power consumption features of the power consumption data by using the received feature quantity,and identifies the category of the power consumption device and the power consumption of the device.