It is forbidden to fly kites where there are wires, especially high-voltage lines and TV towers; You can't fly kites beside streets, highways and railways; You can't fly kites where there are big trees and tall buildings; It is forbidden to fly kites near the airport; You can't fly kites in foggy or rainy days, especially in thunderstorm, let alone use metal wires. Flying kites should be carried out in open places without obstacles, such as sports fields, beaches, beaches and parks. Therefore, the wind speed and direction are relatively stable in a flat and open place, and the kite will not be lost because it is hung on an obstacle when something goes wrong.