record history; in ancient Europe，people still long time use of theskins of animals such as sheep towriting; while in China， theinvention of papermakingpreviously， oracle bones， bambooslips and silk silk is used forwriting， the ancient But the oracle bones，bamboo slips are heavy， QinShihuang day reading the paper，will be a whole car; although lightsilk， but very expensive， notsuitable for To the HanDynasty， the Western Han Dynasty，due to the rapid development ofeconomic culture， bones andbamboo has been unable to meetthe development needs， thuscontributing to the improvementof writing tools -- paper The paper is animportant chemical processes， theinvention of paper is Chinese inthe spread of human culture anddevelopment， has made a valuablecontribution in the history ofChina， is an importantachievement of Chinese history，also produced main
