The bow was one of the earliest long-distance weapons in the world. The invention of bow and arrow was originally derived from the need for human hunting: it was said that the earliest invented ejector was not a bow and arrow but a slingshot. The ancestors in the constant hunting practice, learn to use curved branches to catapult, there is no bowstring. Later, after continuous improvement, the branches crushed into a curl, tied with skin or ribs at both ends of the tree, then cut off a bamboo to shot prey. This is the oldest bows and arrows. Bow and arrow used for hunting, sports competitions, have also been used in the war.
