HCI(Human-computer Interface) is widely applied in industrial control filed. In view of the traditional HCI picture which is fixed and has poor scalability problems, so editing and simulation technology of a configurable HCI is researched in this paper, which enables users to easily custom pictures for the HCI controller. Firstly, the current situation of domestic and foreign configuration and technology of HCI is introduced and the configuration of the HCI system structure is researched. Further, component technology making use of object-oriented technology and design patterns has been designed to achieve picture editing functions. At the same time, program design of simulation function is completed, which possesses a better user experience. Finally, a factory which is combined with reflection technology pattern is used to design for compatibility with different manufacturers. The research results can be used to guide the technology research and product development for configuration and simulation tools of the configurable HCI.