Woodblock printing played a significant role in ancient China. It was a very complicated and it required a lot of skills and precision. 

" The "Diamond Sutra" scroll is the world's earliest, dated, printed book. A central text of Indian Buddhism, the work was first translated from Sanskrit into Chinese in about 400 AD, and block-printed in China in 868 AD."-http://www.computersmiths.com/chineseinvention/blockprint.htm

First thing to use it You have to cut out some shape in woodblock and then put ink on it and put it on a paper or other material