The invention provides a method for dynamically generating a public opinion brief report. The method comprises the steps that: a system management user establishes a public opinion brief report template, configures and defines basic elements, issues by one key after the public opinion brief report template is completed, and thereby a public opinion brief report model is formed; in a downstage business process, a business operating user selects public opinion brief report business, also selects the type and time condition of the brief report, and invokes the background public opinion brief report template and business data in a database to generate the public opinion brief report. According to the method, effective inheritance and fusion of original data analysis result are achieved, data interaction during a public opinion brief report producing process is greatly enhanced, repeated data organizing time in the public opinion brief report is reduced, and reusability is achieved.