A driving circuit for an IGBT module, comprising: a gate driving resistor connectable with the IGBT module; a driving module connected with the gate driving resistor; and an integrating circuit connected with the driving module, wherein the integrating circuit comprises an equivalent resistor and a first capacitor connected in series with the equivalent resistor, and wherein a time constant of the integrating circuit is adjustable by changing a resistance of the equivalent resistor; and a first optical coupler connected with the integrating circuit; characterized in that the driving circuit further comprises: a micro control unit, connected with an input of the first optical coupler via a first resistor; wherein the equivalent resistor is formed by a parallel connection of a second resistor and an output terminal resistor of a second optical coupler, and the resistance of the equivalent resistor is changed by changing an input current of the second optical coupler; an input terminal of the second resistor is connected with an output terminal of the first optical coupler and an output terminal of the second resistor is connected with the driving module; a first output terminal and a second output terminal of the second optical coupler are connected with the input terminal and the output terminal of the second resistor respectively; and a first terminal of the first capacitor is connected with the output terminal of the second resistor, and a second terminal of the first capacitor is grounded. a gate driving resistor connectable with the IGBT module; a driving module connected with the gate driving resistor; and an integrating circuit connected with the driving module, wherein the integrating circuit comprises an equivalent resistor and a first capacitor connected in series with the equivalent resistor, and wherein a time constant of the integrating circuit is adjustable by changing a resistance of the equivalent resistor; and a first optical coupler connected with the integrating circuit; characterized in that the driving circuit further comprises: a micro control unit, connected with an input of the first optical coupler via a first resistor; wherein the equivalent resistor is formed by a parallel connection of a second resistor and an output terminal resistor of a second optical coupler, and the resistance of the equivalent resistor is changed by changing an input current of the second optical coupler; an input terminal of the second resistor is connected with an output terminal of the first optical coupler and an output terminal of the second resistor is connected with the driving module; a first output terminal and a second output terminal of the second optical coupler are connected with the input terminal and the output terminal of the second resistor respectively; and a first terminal of the first capacitor is connected with the output terminal of the second resistor, and a second terminal of the first capacitor is grounded. a micro control unit, connected with an input of the first optical coupler via a first resistor; wherein the equivalent resistor is formed by a parallel connection of a second resistor and an output terminal resistor of a second optical coupler, and the resistance of the equivalent resistor is changed by changing an input current of the second optical coupler; an input terminal of the second resistor is connected with an output terminal of the first optical coupler and an output terminal of the second resistor is connected with the driving module; a first output terminal and a second output terminal of the second optical coupler are connected with the input terminal and the output terminal of the second resistor respectively; and a first terminal of the first capacitor is connected with the output terminal of the second resistor, and a second terminal of the first capacitor is grounded.