Using the principle of system integration as a guide, aiming at effective fire forecasting and prevention, and considering the necessity of reality and development, this paper conducts a study of the establishment of Guangzhou's forest fire prevention information system based on electronic technology and 3S: Remote Sensing (RS), Geographical Information System (GIS) and Global Positioning System (GPS). Its purpose is to build up a fire prevention and extinction system that fully covers the forest area of Guangzhou City. With its help, we can forecast fire promptly and prevent and extinguish fo...