Zhuang Zi believed in Free Traveling, and to achieve this, we must understand Wu Hua. Wu Hua is a crucial concept in Zhuang Zi's philosophy, connected to everything on earth and originating from Oneness. It involves ideas about life and death, and can be traced back to the Oneness of Heaven and Man in Chinese philosophy. In simple terms, Wu Hua is a deep and wide-reaching philosophical concept with rich meaning.