To study the Book of Changes, we must learn to use the simple dialectical viewpoint and methodology of the Book of Changes to analyze and view the world and various phenomena in which we live and exist. The world of the Book of Changes uses eight natural phenomena to represent the eight attributes of all things. It is the most powerful weapon for proactive, positive, changing and simple viewing and analysis of natural and social phenomena. pity! Most of the imagery and mathematics of the I Ching have been lost in the long river of history. Only the application of fortune-telling has been preserved for a long time and has been discovered and prospered. It can be said like this: The Book of Changes is a great chapter in the long history of mankind and a collection of human wisdom. It's just that in today's society, with the continuous advancement of human society, the rapid development of economy and society, and the great division of labor in various industries, the I Ching has not fallen behind. This is a kind of sadness, the sadness of human beings. Human beings have become everything. The master of all things, has forgotten to re-examine the world we live in from the perspective and methodology of the Book of Changes. Our minds are blinded by paranoia, stubbornness, greed, and blindness.