The invention discloses a method for acquiring community information and a device for acquiring community information and belongs to the field of internet communication. The method comprises the following steps of: receiving an acquisition request message transmitted by a terminal, acquiring an URL (Uniform Resource Locator) of a webpage to be opened by an user carried by the acquisition request message, and acquiring the webpage to be opened according to the acquisition request message; acquiring index information according to the content subject of the webpage to be opened, wherein the index information comprises at least one of the following information: the URL of the webpage with the webpage content for describing the content subject, the community topic for describing the content subject, the keyword for describing the content subject and the community account of publishing the community information for describing the content subject; acquiring the community information for describing the content subject according to acquired index information; adding the community information into the webpage to be opened. The device comprises a receiving module, a first acquiring module, a second acquiring module and an adding module. According to the method and the device, a large number of abundant, timely and effective information can be acquired from the webpage by the user, so that the user's demand for information quantity can be met.