A method for performing a conference communication by an intelligent is disclosed. The method includes sending, via a conference link to a conference server, an access request specifying a mapping character string and an identifier of an operating system running in the intelligent terminal; receiving a protocol string from the conference server generated according to the mapping character string and the identifier in the access request, the protocol string comprising a conference attendance credential; automatically initiating an instant message (IM) client in the operating system according to the protocol string; and sending an IM user identifier associated with the intelligent terminal and the conference attendance credential to the conference server to add the IM user identifier to a temporary IM user group corresponding to the conference attendance credential and establishing an Internet channel for the temporary IM user group to perform the conference communication via the IM client.