The invention relates to an intelligent household information management system comprising a remote back-stage management center, a TCP / IP network system, a terminal system and a server. The terminal system comprises a terminal and a terminal platform software system, wherein the terminal comprises a terminal main control module, a data packet module, a calling module, a multimedia processing module, an audio and video encoding and decoding module, an interface module, a terminal communication module, a driver processing module, a database and network file system application module and an acquisition module. The remote back-stage management center comprises a main control module, a communication module, a database module, an upgrading and processing module, a multimedia processing module, a magnetic card and safety management module, a managed and alarm module, a calling management module and a message management and state detection module. A master chip of a multimedia integrated system can realize the output of multi-channel different signals, and the intelligent household information management system has high degree of intelligence, good compatibility and expansibility, and simple operation of equipment.