An embodiment of the invention discloses a network information fetching method and device and relates to the field of network technologies. The method and device can fetch a uniform resource locator (URL) and the content corresponding to the URL in a dynamic webpage. The method comprises the steps of accessing a static URL through a preset browser customer-side, obtaining a hypertext markup language (HTML) file corresponding to the static URL, obtaining scripting language functions, which comprise the JavaScript scripting functions, corresponding to execution capable of realizing user operation, analyzing the scripting language functions so as to an obtain analyzed webpage, extracting other static URLs from the webpage, storing the webpage, and utilizing regular expression to extract the other static URLs. The method and device are used for fetching network information.