The invention discloses a method for dynamically establishing and displaying multiple levels of forms in a customized mode. The method comprises the steps of a customized form establishing mode: establishing a page and a user operation menu, wherein the menu is mainly used for providing functions when a user establishes the form, increasing the same-level and sub-level forms of the current form, and deleting the current form; a displaying step for the well established form: querying form data needed to be displayed, and querying the data of the form needing to be displayed according to conditions to generate the form. The method furthest realizes the complete functions for the user to freely establish the multiple levels of irregular forms and enables the establishing of a complex form to be simplified and visualized, and proved by practical use, the user reception degree and operation experience are all excellent. The form structure and the data, which are previously established by the user can be perfectly presented and displayed, and various usages and functions are increased at the same time, so the demands of different service modules on the data operation of the multiple levels of forms can be met.