The invention discloses a non-invasive resident load monitoring circuit and system for an intelligent power grid, and relates to the technical field of resident load monitoring. The circuit comprisesa signal processing circuit and a wireless transmission circuit, wherein the signal processing circuit comprises a current processing circuit and a voltage processing circuit, and the signal processing circuit is connected with the wireless transmission circuit. After the above technical scheme is employed, the invention has the beneficial effects that the structure is simple; the application value is high; the circuit can achieve the good monitoring of a resident load, and brings convenience to a power company for management and to a resident for observing the load; the circuit can achieve the simultaneous displaying of the working states of all recognizable electric appliances, and achieve the real-time indication of the electrical feature parameters; the circuit achieves the random increase or decrease of electric appliances or the random changing of the application state, and can achieve the real-time indication of the type and state of an electric appliance.