9. A voice recognition system, comprising: a mobile terminal dividing a search space for voice recognition into a general domain search space and a specific domain search space and performing voice recognition for a voice recognition target word through linkage of the general domain search space and the specific domain search space; and a voice recognition server creating and storing the specific domain search space by a request from the mobile terminal, wherein the specific domain search space is selected by a user, wherein when a predetermined specific domain search space is selected by a user, the voice recognition server performs the voice recognition for the voice recognition target word through linkage of the selected specific domain search space and the general domain search space when the selected specific domain search space is present.
10. The system of claim 9 , wherein the mobile terminal receives the voice recognition target word, and performs the voice recognition for the voice recognition target word based on the specific domain search space and the general domain search space when the specific domain search space is present and requests creating the specific domain search space to the voice recognition server to receive the created specific domain search space when the specific domain search space is not present.