An auxiliary device on a fishing rod. It refers to the tool used to unwind or reel in to cushion the resistance of the fish. The use of the reel is an important symbol of the development of modern fishing technology, in fishing large fish, the reel by releasing or reeling line, so that it is not easy to break free, thus reflecting its superiority. 1. Classification: The reel can be divided into two types according to its construction characteristics: rotating spool and non-rotating spool. China's anglers traditionally used fork tine groove type hand wheel, double bearing and single bearing winding wheel belongs to the winding spool rotation type winding wheel. Spinning type of wire wheel (also known as "airplane wheel", "spinning wheel" and closed winding wheel belongs to the spool does not rotate the type of synthesized wire wheel.