关于造纸术,过去人们一直认为是公元2世纪初,即东汉和帝时期蔡伦发明的.然而,现代以来,考古工作者多次从地下发掘出了西汉时期的纸张,对蔡伦的造纸术发明权不断提出了挑战.迄今,流传了一千多年的蔡伦造纸说被出土的西汉纸实物证据所否定,把造纸术的发明年代提前到西汉初期. Regarding paper making, people used to think it was invented in the early 2nd century AD by Cai Lun in the Eastern Han Dynasty and Emperor Emperor. However, since the modern times, archaeologists have unearthed many papers from the underground during the Western Han Dynasty and invented the right of paper-making of Cai Lun Continue to raise the challenge so far, the spread of a thousand years of Cai Lun paper that was unearthed the Western Han Dynasty paper physical evidence denied the invention of papermaking advanced to the early Western Han Dynasty.