The invention relates to a safety valve position feedback module, which comprises a connector, an inductance coil, an inverter circuit, a voltage-stabilized power source, a RC filter, a transmitter, a power amplifier, an overvoltage protection circuit and a connecting terminal, wherein the connector is connected to the inverter circuit, the RC filter, the transmitter, the power amplifier, the overvoltage protection circuit and the connecting terminal through the inductance coil in sequence; the RC filter and the inverter circuit are connected into a loop circuit; and the connecting terminal is used for outputting a two-wire 4-20mA signal. The invention has the advantages of amplifying an input signal voltage, efficiently restraining a high-frequency interference signal, increasing anti-interference property of the whole circuit, and sealing the energy released by capacitor so as to prevent explosion caused by the externally released energy.