A voice coil motor, comprising: a base ; a housing having an upper surface and a lower surface, the lower surface being coupled to the base , said housing comprising an opening; a bobbin having an upper surface and a lower surface which is disposed on the base ; a first driving unit disposed on the bobbin ; a second driving unit corresponding to the first driving unit ; a rotor formed with the first driving unit , a stator formed with the second driving unit axially driving the rotor in response to electromagnetic interaction with the first driving unit , and an elastic member coupled to the upper surface of the housing and the upper surface of the bobbin , wherein the housing comprises a concave recess formed on the upper surface of the housing , wherein the elastic member comprises a radially outer elastic unit disposed on the upper surface of the housing , a radially inner elastic unit disposed on the upper surface of the bobbin and an elastic connection unit connecting the outer elastic unit and the inner elastic unit , wherein the elastic connection unit is disposed over the concave recess of the housing , wherein the bobbin is spaced apart from the base at an initial position when no driving signal is applied to any one of the first and second driving units , wherein the bobbin is configured to move from the initial position in a first direction distancing from the base and to move from the initial position in a second direction opposite to the first direction, and wherein when the bobbin moves in the second direction, at least a part of the elastic connection unit does not contact a floor surface of the concave recess . a base ; a housing having an upper surface and a lower surface, the lower surface being coupled to the base , said housing comprising an opening; a bobbin having an upper surface and a lower surface which is disposed on the base ; a first driving unit disposed on the bobbin ; a second driving unit corresponding to the first driving unit ; a rotor formed with the first driving unit , a stator formed with the second driving unit axially driving the rotor in response to electromagnetic interaction with the first driving unit , and an elastic member coupled to the upper surface of the housing and the upper surface of the bobbin , wherein the housing comprises a concave recess formed on the upper surface of the housing , wherein the elastic member comprises a radially outer elastic unit disposed on the upper surface of the housing , a radially inner elastic unit disposed on the upper surface of the bobbin and an elastic connection unit connecting the outer elastic unit and the inner elastic unit , wherein the elastic connection unit is disposed over the concave recess of the housing , wherein the bobbin is spaced apart from the base at an initial position when no driving signal is applied to any one of the first and second driving units , wherein the bobbin is configured to move from the initial position in a first direction distancing from the base and to move from the initial position in a second direction opposite to the first direction, and wherein when the bobbin moves in the second direction, at least a part of the elastic connection unit does not contact a floor surface of the concave recess . <EOS>