The invention discloses a wireless electric energy transmission system and method capable of identifying mutual inductance and load from a primary side, relates ot the field of wireless electric energy transmission, and is used for solving the problem that a wireless electric energy transmission system in the prior art is provided with complex redundant equipment at two ends of the primary side and the secondary side, resulting in the problems of high cost, complex circuit, and poor reliability. The wireless electric energy transmission system comprises a DC power supply, a high frequency inverter circuit, a primary side compensation circuit, a transceiver coil, a secondary compensation circuit, a high frequency rectifier circuit, a filter circuit and a load, the secondary side is composedof a coupling structure based on a series compensation equivalent circuit, the primary side coupling compensation structure is not limited, the secondary side coupling compensation structure includesan inductor LS and a capacitor CS connected in series in sequence, in the secondary side compensation circuit, a capacitor CS1 branch circuit with a bidirectional switch is connected in parallel between two ends of the capacitor CS. The wireless electric energy transmission system provided by the invention identifies the dynamic change of mutual inductance or load impedance of the pickup end by detecting the voltage and current signals of the transmitting end in real time, does not need an additional device, and can effectively reduce system complexity and cost.