Provided are a method and device for compiling page data. The method comprises: obtaining initial page structure data generated by an extensible markup language (S210); parsing the initial page structure data to generate corresponding scripting language page data, wherein the scripting language page data comprises a page generation method and a data variable set, the page generation method inputs a current data variable set, and the page generation method outputs a node tree (S220); and sending the scripting language page data to a terminal so that the terminal displays a corresponding page according to the scripting language page data (S230). By using the method, the dynamic performance can be retained while improving the page presentation efficiency. Additionally provided are a method and device for rendering a page.