A voice coil motor, comprising: a cover can comprising an upper plate and a lateral plate extending from the upper plate; a bobbin disposed in the cover can; a coil disposed on the bobbin; a magnet disposed between the coil and the lateral plate of the cover can; a driving module for changing the flow of current applied to the coil, wherein the driving module is configured to apply to the coil a forward current to drive the bobbin in a first direction and a backward current that flows in opposition to the forward current to drive the bobbin in a second direction; a base disposed below the bobbin and coupled to the lateral plate of the cover can; and a first elastic member coupled to the bobbin, wherein the first elastic member comprises two elastic members spaced apart from each other, wherein each of the two elastic members comprises an inner elastic unit coupled to the bobbin, an outer elastic unit coupled to the base and a connection elastic unit connecting the inner elastic unit and the outer elastic unit, wherein the coil is electrically connected to the two elastic members, wherein the first elastic member is configured to support the bobbin to form a first gap between the bobbin and the base and a second gap between the bobbin and the upper plate of the cover can at an initial position when no current is applied to the coil by the driving circuit module; characterized in that the bobbin is disposed at the initial position so that the second gap is greater than the first gap, wherein the bobbin is adapted to stop at an optimum focus position corresponding to an optimum focus by moving to a place a bit deviated from the position of the optimum focus, thereby passing the optimum focus position, and then by performing a fine focusing process to minutely adjust a distance between a lens of the bobbin and an image sensor to return the lens of the bobbin to the optimum focus position, wherein the driving circuit is configured to perform a process of a bit decreasing the current of forward direction to the coil, and a process of a bit increasing the current of backward direction to the coil, in order to perform the fine focusing process. a cover can comprising an upper plate and a lateral plate extending from the upper plate; a bobbin disposed in the cover can; a coil disposed on the bobbin; a magnet disposed between the coil and the lateral plate of the cover can; a driving module for changing the flow of current applied to the coil, wherein the driving module is configured to apply to the coil a forward current to drive the bobbin in a first direction and a backward current that flows in opposition to the forward current to drive the bobbin in a second direction; a base disposed below the bobbin and coupled to the lateral plate of the cover can; and a first elastic member coupled to the bobbin, wherein the first elastic member comprises two elastic members spaced apart from each other, wherein each of the two elastic members comprises an inner elastic unit coupled to the bobbin, an outer elastic unit coupled to the base and a connection elastic unit connecting the inner elastic unit and the outer elastic unit, wherein the coil is electrically connected to the two elastic members, wherein the first elastic member is configured to support the bobbin to form a first gap between the bobbin and the base and a second gap between the bobbin and the upper plate of the cover can at an initial position when no current is applied to the coil by the driving circuit module; characterized in that the bobbin is disposed at the initial position so that the second gap is greater than the first gap, wherein the bobbin is adapted to stop at an optimum focus position corresponding to an optimum focus by moving to a place a bit deviated from the position of the optimum focus, thereby passing the optimum focus position, and then by performing a fine focusing process to minutely adjust a distance between a lens of the bobbin and an image sensor to return the lens of the bobbin to the optimum focus position, wherein the driving circuit is configured to perform a process of a bit decreasing the current of forward direction to the coil, and a process of a bit increasing the current of backward direction to the coil, in order to perform the fine focusing process.