1. Bamboo slips are mostly made of bamboo pieces.
2. Write one line for each piece
3. Combine all the bamboo pieces of an article, which is called bamboo slips. This is the earliest book form in ancient China, and the wood chips used for writing words are called wooden slips, which are mostly used for writing short articles. Bamboo slips are the main materials for ancient China ancestors to write books, documents and other text carriers before the invention of paper, and they are one of the oldest books in China. Bamboo slips, together with Oracle Bone Inscriptions, Dunhuang suicide note and Ming and Qing archives, have been listed as the four major discoveries of oriental civilization in the 2th century. At present, the study of bamboo slips has also formed a worldwide discipline at an alarming speed. It has opened up a brand-new field for the academic research of China's history and culture from many angles and fields, such as history, archaeology, ancient philology, philology and calligraphy.