Method and device for synchronizing offline session messages in instant messaging tool

The invention discloses a method and device for synchronizing offline session messages in an instant messaging tool, belonging to the technical field of information communication. The method comprises the following steps of picking offline session messages with designated quantity from an instant messaging server; determining whether the picked offline session messages are continuous with session messages stored by a client; if so, merging the picked offline session messages with the session messages stored by the client and displaying the merged session messages; otherwise, displaying the picked offline session messages. According to the method and device provided by the invention, when a user synchronizes the offline session messages in the instant messaging tool, the quantity of the offline session messages can be obtained flexibly and the continuous message content can be obtained.