An implementation method of mobile phone desktop environment, which can self-defined and face network service, is an implementation method for realizing mobile phone desktop environment. The method defines a Web desktop environment that can self-defined and face network service. According to the desktop environment implement, Web application of mobile phone is increased greatly, and a brand-new interface operation and upgrade experiment are realized for the mobile phone user. The desktop environment on the mobile phone equipment integrates Mozilla platform and Linux graphics user interface programming technology, Linux graphics user interface programme is combined into Mozilla platform and processes extension of Linux graphics user interface; namely, Mozilla platform is registered into component package, desktop component package, faceplate component package, various component package belongs to desktop small appliance and window manage component package that responsible for communication with Linux graphics server.