High-definition infrared probe erected at the top of the mountain staring constantly at the forest; 1521 rural rangers handheld GPS equipment, the forest in time to picture, video and other means back to the wisdom of forestry inspection system platform; once the discovery of fire, Internet navigation technology quickly plan the route for professional fire brigade. This reporter learned from the Dalian Forestry Bureau on March 12 that at present Dalian has preliminarily established a smart forest fire prevention system and new technologies such as Internet of Things and big data have become the "forest guards" in Dalian. Dalian plans to plant 5333.3 hectares of trees this year and plant 9.5 million trees. While large-scale afforestation is taking place, the means of forest protection are shifting to "smart" direction. In the past two years, Dalian has invested nearly 100 million yuan in funds. With the help of a batch of new technologies such as Internet of Things and big data, Dalian has integrated the resources of "Skynet" in the city with the "private net" in the industry and initially formed a smart forest fire prevention system. At present, Dalian has built 11 municipal fire prevention and early warning monitoring command platforms and 46 remote intelligent monitoring points in Dalian. At the national level, provincial forest parks and nature reserves and other key forest fire areas planning and construction of regional full coverage of micro 353 monitoring and management points, 4 national and provincial forest fire risk factor collection stations and 8 systems including forest fire alarm, meteorological satellite monitoring, forest fire geographical information and fire remote monitoring. Intelligent fire prevention effect is obvious. According to incomplete statistics, at present, the discovery and extinguishment rate of forest fires in Dalian both reach 100%, and the over-burning area and the loss of forest trees have been declining year after year.