Charging automobile and manufacturing method thereof and charging method using such charging automobile

The invention relates to an automobile energy technology, in particular to a charging automobile reconstructed on the basis of the normal automobile, a manufacturing method of the charging automobile and a charging method using such charging automobile. The charging automobile according to the invention comprises an engine, an engine control unit, a speed changer, a generator and a charging control unit, wherein the engine control unit is used for controlling operation of the engine; the speed changer is coupled with the engine; the generator is used for providing power for exterior of the automobile and is configured to be coupled with output of the engine when the speed changer is at a preset gear; power transfer of the engine and a transmission system of the charging automobile is interrupted at the preset gear; and the charging control unit is coupled with the engine control unit for controlling the operation of the engine by means of the engine control unit when the speed changer is at the preset gear.