METHOD, APPARATUS, SYSTEM AND COMPUTER READABLE STORAGE MEDIUM OF ADDING INSTANT MESSAGE CONTACT

There are provided a method, apparatus, system and computer readable storage medium of adding an instant message contact. The method includes: receiving a joining-in request for a group from a client where a user locates, the joining-in request comprising a group identifier; acquiring audio and/or video information of other user in the group, based on the group identifier; and transmitting the audio and/or video information of the other user to the client where the user locates, for adding by the client where the user locates the instant message contact based on the audio and/or video information of the other user. Thereby, the mutual trust between unknown users is improved, and the success ratio of adding an unknown user as a contact and the ratio of turning into a contact from an unknown user are increased.