金和鼓，皆为古代战场上将领发布命令以指挥作战的重要工具。金为金属乐器，包括钟、锌等。作为指挥工具，金常与鼓配合，在战场上以节制士兵步伐。鼓有铜鼓与皮鼓。上古迄春秋，军事用鼓以含铜1／4、含锡3／4的青铜铸成，外形如滑车轮g，体积大，声音响。至战国，方出现用牲畜 Gold and drums are all important tools for commanding generals on the ancient battlefields to issue orders. Gold for the metal musical instruments, including bell, zinc and so on. As a commanding tool, Kim often works with drums to control the pace of soldiers on the battlefield. Drum with drums and leather drums. As of the Spring to ancient times, the military drum to bronze 1/4, containing 3/4 of bronze castings, such as the outline of the pulley g, bulky, sound. To the Warring States, parties appear to use livestock