The home service robot studied in this paper is mainly composed of single chip microcomputer control system, moving obstacle avoidance system, sensor network system, GPRS communication system, scavenging system, information display system, etc. Combined with software programming, GPRS communication, detection of environmental information (temperature and humidity), automatic garbage cleaning, environmental quality optimization (intelligent disinfection) and other functions can be realized. It makes the environment cleaner, more intelligent and automatic. It is an innovative, environmentally friendly, economical and versatile home service robot.