Content aggregation method, server, client and system

The embodiment of the invention discloses a content aggregation method. The method comprises steps: a content generation request submitted by a user is acquired, wherein user generation content and event identification information of a subject event in which the user generation content participates exist in the content generation request; according to the content generation request, the user generation content is stored, the subject event is added to the attribute of the user generation content to serve as a participating event of the user generation content, and the user generation content is added to the attribute of the subject event to serve as a dynamic content of the subject event; and when the subject event is sent to a target user, all dynamic contents of the subject event are sent to the target user. The embodiment of the invention also discloses a server, a client and a system. Thus, dynamic contents when the user participates in the same subject event can be aggregated, and the user generation content generated in the same topic can be better demonstrated.