A wireless power receiving device that wirelessly receives power, comprising: a power receiving coil; a rectifying unit configured to rectify alternating-current power received by the power receiving coil to direct-current power; a charging unit configured to charge a power storage device with the direct-current power; and a voltage detection unit configured to detect an output voltage value of the rectifying unit; a power reduction unit including a switching element that is connected to the charging unit in parallel; and characterized by further comprising: a control unit configured to control operations of the switching element, wherein in a case where the output voltage value detected by the voltage detection unit exceeds a first reference voltage value set in advance, the control unit controls and turns the switching element on by applying a voltage to the switching element, such that a current fed from the rectifying unit is distributed and flows into the charging unit and the switching element, wherein the control unit controls a value of the voltage to be applied to the switching element so that a difference between a voltage value calculated on the basis of a current flowing in the switching element and a second reference voltage value set in advance decreases. a power receiving coil; a rectifying unit configured to rectify alternating-current power received by the power receiving coil to direct-current power; a charging unit configured to charge a power storage device with the direct-current power; and a voltage detection unit configured to detect an output voltage value of the rectifying unit; a power reduction unit including a switching element that is connected to the charging unit in parallel; and characterized by further comprising: a control unit configured to control operations of the switching element, wherein in a case where the output voltage value detected by the voltage detection unit exceeds a first reference voltage value set in advance, the control unit controls and turns the switching element on by applying a voltage to the switching element, such that a current fed from the rectifying unit is distributed and flows into the charging unit and the switching element, wherein the control unit controls a value of the voltage to be applied to the switching element so that a difference between a voltage value calculated on the basis of a current flowing in the switching element and a second reference voltage value set in advance decreases. a control unit configured to control operations of the switching element, wherein in a case where the output voltage value detected by the voltage detection unit exceeds a first reference voltage value set in advance, the control unit controls and turns the switching element on by applying a voltage to the switching element, such that a current fed from the rectifying unit is distributed and flows into the charging unit and the switching element, wherein the control unit controls a value of the voltage to be applied to the switching element so that a difference between a voltage value calculated on the basis of a current flowing in the switching element and a second reference voltage value set in advance decreases.