Culture is a stream, without original culture, it will lose itself. Therefore, people strive to protect and maintain the cultural flow. In the treasure of humanity's ancient books, the I Ching (Book of Changes) and Tao Te Ching (Classic of the Way and Virtue) of ancient China are two of the most influential books. The content of these two books is very concise and difficult to explain, with many ambiguous ideas and a bit of superstition. This book is designed to analyze and approach problems with desires based on the development of science to shed light on things that are not fully understood or that are still controversial. The author has mentioned some common concepts such as Tai Chi, Yin Yang, Truth - Goodness - Beauty ... and the wisdom of Vietnamese people.