The word "joy chen" first came from the Book of Changes, which said: "Great people do it, and everything starts, and heaven is unified." Sex and rain, material flow. Daming will always be, when six people succeed, when six dragons rule the sky. The road changes, each for his own life. Protecting peace is auspicious, the position of heaven is profitable, and the four orders are transformed. Among them, the part of "cloud and rain, goods and logistics" is interpreted as "order". Therefore, the meaning of "joy chen" also includes the meaning of Yin and Yang and the five elements, as well as the order of all things in nature.
In addition, "Chen Yu" is a name with historical and cultural background. Xu Guangqi, an official in Ming Dynasty, wrote Chen Yujing, which mainly introduced the philosophical thoughts of Taoism and Buddhism and his own thinking and understanding. Therefore, the name "Chen Yu" also has certain cultural connotation and philosophical significance.