The Dao is the Dao. The way of practicing martial arts and strengthening the body, the way of keeping in good health and prolonging life, these are not the Dao. This side is the Dao. The foundation is also the foundation stone. If you want to build a pavilion, earth and stone are the foundation; if you want to practice martial arts, your muscles and bones are the foundation; , fire, wind, thunder, strong, quiet, Ming Qiji also, these seven foundations are invisible to ordinary people, and cannot be touched by hands, but can only be seen by those who use secret methods or cultivating immortals. Immortal nature; sooner or later, Dao Ji will finally awaken, and everyone has the talent to cultivate immortals. The story in this book begins with a young man who dreams of cultivating immortals in the immortal world of Dutian.