1. A method of displaying human contact data in a mobile terminal, comprising the steps of: creating a name tag, when a human contact event is generated, by analyzing log data corresponding to the human contact event; calculating at least one group level from the log data according to human contact frequency of a corresponding human contact event; determining the group level of the created name tag based on the human contact frequency corresponding to the created name tag; and displaying the created name tag according to the determined group level in a standby screen, wherein characters of the name tag are displayed in a manner corresponding to their calculated group level, visually distinguishable from name tags corresponding to other group levels, wherein calculating the group level comprises calculating a range of each group level by subtracting a lowest human contact frequency from a highest human contact frequency on a log data list, and dividing the difference by a predetermined number of group levels.