The chronology or the timeline of the Chinese jade is the prerequisite knowledge for Chinese jade artifacts authentication and appreciation . The division of the timeline of Chinese jades is usually based on the records from archaeological excavation and the documentations of the jade artifacts of museums displaying them. The timeline of Chinese jades is divided into the following periods: Hongshan Culture (3500 B.C. – 2200 B.C.), Liangzhu Culture (3400 B.C. – 2250 B.C.), Songze culture (3400 B.C. – 3300 B.C.), Longshan Culture (2800 B. C. -1700 B.C.), Shijiahe Culture (2500-2000 BC), Qijia Culture (2400 B.C. – 1900 B.C.), Sanxingdui Culture (1600 B. C. – 221 B.C.), Xia Dynasty (2183 B.C. – 1751 B.C.), Shang Dynasty (1766 B.C. – 1122 B.C.), Western Zhou Dynasty (1122 B.C. -771B.C.), Spring-Autumn & Warring States Periods (770 B.C. – 221 B.C), Chin Dynasty (221 B.C. – 206 B.C), Han Dynasty (220 B.C. -220 A.D.), Tang, Song, Liao, Jin & Yuan Dynasties (618 A.D. -1368 A.D.) and Ming and Qing Dynasties (1368 A.D. – 1911 A.D.).