人类在发明纸张以前，史书、文书之类最早都是书写在竹简或木牍上的。简牍流行于东周至魏晋时期（约公元前5世纪至公元3世纪）。简牍的内容广泛，具有很高的史料价值，也保存了古代珍贵的书法墨迹。竹简系切削光滑的竹片制成，一般长约23厘米，相当于汉尺一尺，宽约0．5—1厘米 Before the invention of mankind, historians, instruments, and the like were originally written on bamboo slips or clogs. Jane was popular in the Eastern Zhou Dynasty to the Wei and Jin Dynasties (about the 5th century BC to the third century AD). Jane 牍 wide range of content, with high historical value, but also preserved the precious ancient calligraphy ink. Bamboo cut bamboo system is made of smooth, usually about 23 cm, equivalent to a foot of the foot, a width of 0.5-1 cm