Subdivision includes Confucianism, military strategists, legalists, farmers, doctors, astronomical algorithms, mathematical technology, art, music records,
There are 14 categories, such as "sage", books, novelists, Buddhism, Taoism and so on. Among them, astronomical algorithms are divided into two genera, namely, pushing steps and calculating books; the number of techniques is divided into seven genera, namely, mathematics, Zhan Hou, Xiang Zhai Xiang Mu, divination, astrology, Yin Yang, five elements and miscellaneous techniques; and the art category is divided into calligraphy and painting, Qin Qu, seal cutting and miscellaneous techniques.