Huainanzi, also known as Huainan and Liu, is a miscellaneous work. Internal chapter 2 1, external chapter 33, more than 200,000 words. The inner part preaches and the outer part talks about essays. In addition, there are poems and songs, including 82 poems and songs of Huainan Wang Fu, 44 poems and songs of Huainan, 4 poems and songs of Huainan, Huainan Miscellaneous Stars and Huainan Wanbi Book 19 volumes. Huainanzi has a wide range of contents, covering political science, philosophy, ethics, history, literature, economics, physics, chemistry, astronomy, geography, agricultural water conservancy, medical health and other fields.