This article addresses such issues as question of independence,lacking unified arrangement and interactive difficulty in forest fire prevention information system construction.By integration of heterogeneous network,info-communications,smart device,3S technology,theory of forest fire and intelligent schedule algorithm together,from data support,decision support,emergency dispatching,data acquisition and instructions implement,we establish the integrated and interactive system of forest fire protection for fusion of data acquisition,transfer,analysis,dispatch and feedback.The commanders acquire reasonable,scientific and practical decision support in fighting of forest fire to avoid blindness on fire command scheduling,reduce the decision deviation and forest losses effectively,and ensure forest fire spread control and rescue timely.The system platform has been operating and running well in Guangzhou city forestry bureau of parks and woods over last two years,and has greatly enhanced the level of the forest fire emergency resources information management and emergency disposal ability.