This invention discloses one load control process method, which comprises the following steps: first control part comes from TDM load network path to entrance POTS user call path to IP load network area; second control part receives the POTS user calls from said IP load network area to TDM load network or local interface; determining entrance and output IP load network media flow at one physical network gate through interacting selection and two sides of TDM load user interface of media code type to control relative media network gate on media codes type.