Abstract: With the development of computer system and internet, the Examination System through Network is increasingly employed by examination institutions in o r abroad. In order to make fair and efficient examinations by introducing the Ex amination System through Network to universities, more researches should be carr ied out. This paper introduces the design philosophy of the Information Retrieva l and Internet Application Examination System through Network based on WEB, disc usses the system structure and analyzes the system functions and characteristics . The system was realized by using SQL Server2000 and ASP. In addition, the auth or proposes some solutions concerning the system security.