Abstract: In order to make machine understand and mine web content effectively, it is necessary to model web page structure and querying interface included. Using a layered architecture based on meta-ontology, the modeling method separates contexts from ontology, and instances from concept. It is a process of instantiating hierarchically. Like database schema, web page structure and querying interface included have some basic components. These components and the relations among them can be established flexibly. The resulting models are well defined, have clear layers, and can be shared and extended. Using the architecture based on meta-ontology, modeling web page structure and interface is feasible; its separation mechanism is also useful to class resulting pages of search engine, and hence improves search precision.