The Qin Dynasty was the beginning of feudal society in China. The history of pre-Qin is called slave society, primitive society and ancient times. China in ancient times began in Wushan ape-man period (about 3 million years ago, the site was in Wushan and Bashan areas of Chongqing) and ended in Peking ape-man period (700,000 years ago, the site was in Zhoukoudian, Beijing). During this period, human beings were called "homo habilis" and "homo sapiens" and lived a simple life of gathering, hunting and hunting. Primitive society originated in the Paleolithic Age (about 200,000 years ago, human beings used rough stone tools and lived a hunting life, and "modern people" appeared), and ended in the Dayu Age (human beings have widely raised livestock and poultry, planted grains, and possessed the construction technology and sinking technology), and experienced the Neolithic Age in the middle (human beings used grinding stone tools and bone tools, learned to sew clothes with animal skins and lived a fishing and hunting life). Slave society originated from the end of patriarchal society, that is, before the establishment of Xia Dynasty, there was privatization of property. Slave owners own land, prisoners and proletarians and regard them and their descendants as their own property. It flourished in Xia (silk weaving technology, early Chinese medicine system, hereditary system of the throne), Shang (the originator of Chinese characters ~ Oracle Bone Inscriptions, developed bronze technology), Western Zhou (enfeoffment system), declined in the Spring and Autumn Period and Warring States Period (collectively referred to as Eastern Zhou, iron smelting technology, technology, feudal landlord ownership, small seal script), and ended in Qin (imperial system) ... The so-called "able man" Homo sapiens is The face retains the characteristics of apes, with prominent cheekbones and cheeks, such as "Beijingers" and "Javanese". "Modern man" is the last stage of evolution, and its characteristics are basically the same as those of modern people, such as "Beijing Neanderthals", "Neanderthals" …