“道”是老子哲学的中心观念,他的整个哲学系统都是由他预设的“道”而开展的,因而理解和把握老子的思想,必须从道开始。《老子》书上所有的“道”字,符号型式虽然是同一的,但在不同章句的文字脉络中,却具有不同的涵义。本文从“道之万物根源”“道乃实存之道”两个方面作粗浅的探讨。 “Tao ” is the central idea of ​​Lao Tzu philosophy. His entire philosophical system is carried out by his presumed “Taoism.” Therefore, to understand and grasp Lao Tzu’s thought, we must start from the Tao. All the “Dao” characters in Lao Tzu’s books, although the symbol types are the same, have different meanings in the contexts of different chapters. This article from the “root of all things” “” is the way of existence "two aspects for superficial discussion.