Method and apparatus for displaying associated information in electronic device

The present invention provides a method for displaying counterpart-associated information in an electronic device, which comprises the processes of: searching for information stored in relation to the identification information of a particular person when performing an operation relevant to the particular person while executing the function of the electronic device; and in response to the search, displaying at least one of a found piece of information and an item of the found information, wherein the found information includes at least one of communication log information at the time of a video or voice call with the particular person, schedule or note information relevant to the particular person, voice information collected at the time of a call with the particular person, and social content information of the particular person.