An electric vehicle running control system, comprising: a heating circuit connected with an in-vehicle battery to form a heating loop for heating the in-vehicle battery, a load capacitor; and a first current storage element connected with the load capacitor and the heating circuit respectively for reducing an interference between the heating circuit and the load capacitor, wherein the heating circuit comprises a damping element, a bidirectional switchgear, a second current storage element and a first charge storage element, wherein the damping element and the second current storage element are connected in series to form a first circuit, the bidirectional switchgear and the first charge storage element are connected in series to form a second circuit, one terminal of the first circuit is connected with a positive electrode of the in-vehicle battery, the other terminal of the first circuit is connected with one terminal of the second circuit and one terminal of the first current storage element, and the other terminal of the second circuit is connected with the load capacitor and a negative electrode of the in-vehicle battery, wherein the damping element is a resistor, the first current storage element and the second current storage element are inductors, and the first charge storage element is a capacitor; a heating circuit control module configured for controlling the heating circuit to connect with or disconnect from the in-vehicle battery by controlling the bidirectional switchgear to switch on or off; characterized in that the heating circuit further comprises an energy summing unit for summing an energy in the heating circuit and an energy in the in-vehicle battery after the bidirectional switchgear is switched off from a switched-on state, and the energy summing unit comprises a polarity reversing unit for reversing a voltage polarity of the first charge storage element after the bidirectional switchgear is switched off from the switched-on state. a heating circuit connected with an in-vehicle battery to form a heating loop for heating the in-vehicle battery, a load capacitor; and a first current storage element connected with the load capacitor and the heating circuit respectively for reducing an interference between the heating circuit and the load capacitor, wherein the heating circuit comprises a damping element, a bidirectional switchgear, a second current storage element and a first charge storage element, wherein the damping element and the second current storage element are connected in series to form a first circuit, the bidirectional switchgear and the first charge storage element are connected in series to form a second circuit, one terminal of the first circuit is connected with a positive electrode of the in-vehicle battery, the other terminal of the first circuit is connected with one terminal of the second circuit and one terminal of the first current storage element, and the other terminal of the second circuit is connected with the load capacitor and a negative electrode of the in-vehicle battery, wherein the damping element is a resistor, the first current storage element and the second current storage element are inductors, and the first charge storage element is a capacitor; a heating circuit control module configured for controlling the heating circuit to connect with or disconnect from the in-vehicle battery by controlling the bidirectional switchgear to switch on or off; characterized in that the heating circuit further comprises an energy summing unit for summing an energy in the heating circuit and an energy in the in-vehicle battery after the bidirectional switchgear is switched off from a switched-on state, and the energy summing unit comprises a polarity reversing unit for reversing a voltage polarity of the first charge storage element after the bidirectional switchgear is switched off from the switched-on state.