Human beings have been concerned about their health. This article aims to find a solution to maintain the physical health by investigating in Lao-Tzu's philosophy. Textual research step, in addition to "the forewords", "the conclusions", mainly be divided into three chapters: For "Lao Tze's natural thinking" , "Influence the key to life" and "Lao Tze's natural thinking to apocalypse of life". This paper attempts to analyze Lao Tze's philosophy of the nature and it's implement in physical health. As we know, one shares a certain lifespan, apart from accidents or abuse of our lives. With the reminders from LaoTze, one should realize the differences between one another and develop a good lifestyle, whether to maintain or train their physical health. This will lead to longevity and health.