A path re-searching method using drag input in a navigation system is provided to re-search a path quickly and simply, and to ensure the safe drive environment and reduce the input error. A path re-searching method using drag input in a navigation system comprises a first step for receiving drag input from the user(S140), a second step determining one or both the direction and length of the received drag input(S150), and a third step for re-searching a path according to the determined direction or/and length of the drag input(S160).
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