在移动通信系统中引入智能网技术是当今世界各国电信公司普遍关注的一个热点，本文根据引入智能同层次的不同，从三个不同方面阐述了在移动通信系统中引入智能网的不同方法，接着又介绍了引入智能网后的移动通信系统所能开放的一些新业务，最后指出我国在此方面的发展应采取的方法和策略。 The introduction of intelligent network technology in mobile communication system is a hot spot in telecommunication industry all over the world. In this paper, we introduce different methods of introducing intelligent network in mobile communication system from three different aspects, It also introduces some new services that the mobile communication system after the introduction of the intelligent network can open up. Finally, it points out the methods and tactics that should be adopted in the development of this area in our country.