Method for interworking client/server environment system and web environment system

PURPOSE: A method for interworking a client/server environment system and a web environment system is provided to perform easily a web connection by using the same log-in identification number. CONSTITUTION: A method for interworking a client/server environment system and a web environment system comprises the following steps. A client generates an index key and a server stores user information and additional information necessary for log-in with a generated index. web browser is operated and a designated address is called by using an index value of information stored in a database as a parameter. The server extracts the user information from the database on the basis of the parameter as a reference value. The server sets up the user information as a cookie and moves to a desired menu by the additional information.