The utility model provides a system for verifying the phase-selecting operation performance of a high-voltage phase-selecting breaker. The device comprises a power supply G, a transformer T, a current-limiting resistor R, a compensation capacitor C, a high-voltage phase-selecting breaker SP, a current measuring device I1, a penetration current transformer I2, a voltage measuring device U1 and a voltage divider U2, the power supply G is connected with a primary side of the transformer T in series, the current-limiting resistor R and the compensation capacitor C are connected in series to form an R-C branch circuit, the high-voltage phase-selecting breaker SP, the current measuring device I1, and the penetration current transformer I2 are connected in series in sequence to form an SP-I1-I2 branch circuit, the R-C branch circuit and the SP-I1-I2 branch circuit are connected in series and then are connected with a secondary side of the transformer T, and the voltage measuring device U1 and the voltage divider U2 are both connected with the SP-I1-I2 branch circuit in parallel. According to the system for verifying the phase-selecting operation performance of the high-voltage phase-selecting breaker, the requirement of evaluating the phase-selecting operation of the breaker can be met, the number of employed devices is small, and the realization is easy.