The “LongFengⅠ ”UAV, with total system weight less than 10 kilograms, can be put into package after dismantling. What is more, opening time is less more 10 minutes. The whole system, with convenient use and simple maintenance, can be carried by one person. It can fly i independently by throwing with hands or ejecting with rubber, which can work under the city, mountains and forest conditions for reconnaissance, target direction, biological weapons and so on. Furthermore, it can be used for oil pipeline inspection, disaster monitoring and transportation patrol and so on.