A method for managing a team in an online game includes, by a team management apparatus, configuring a team management screen, displaying the team management screen that contains information on at least one preset formation upon receiving a signal indicating that the user enters the team management screen from the user terminal, setting each information on the at least one formation upon receiving setting related to details of a selected one formation among the at least one formation from the user terminal, judging whether the number of currently set formations is less than a preset maximum number of formations upon receiving a formation addition request signal from the user terminal, and adding the formation if the number of currently set formations is less than the maximum number of formations, and setting a formation change shortcut key.