A method, apparatus, and system for maintaining corresponding relationships between at least one chat transcript and related chat content in an instant messaging system may include establishing a chat session in the instant messaging system. Corresponding chat content may be displayed synchronously according to a changed address of the chat content. The changed address of the chat content may be inserted into a chat transcript, and the chat transcript may be segmented into at least two segments to create a segmented chat transcript. The segmented chat transcript and corresponding relationship between the changed address of the chat content and corresponding chat transcript segments may be stored.