Tao Te Ching, also known as Laozi, records the theory of Laozi, a thinker at the end of the Spring and Autumn Period, and comes from the works of Laozi, the founder of Taoism in the Spring and Autumn Period. It is a book written by China's ancient pre-Qin philosophers before their separation. It was highly praised by the philosophers at that time and was an important source of Taoist philosophy. Tao Te Ching is divided into two parts. The first part of the original work is the Tao Te Ching, and the second part is the Tao Te Ching, which is divided into 8 1 chapters. This is the first complete philosophical work in the history of China. The Classic of Virtue means to cultivate one's own mind first, while the Classic of Taoism means to improve one's body and mind and realize the spread of Taoism.