There is a saying in Mencius, "The people are the most important, the country is the second, and the monarch is the light". "People-oriented" is the general principle of Mencius' thought expounded in this paper and the basic goal of focusing on people's survival and development. Other contents are centered around this idea and are the means to achieve this goal. "Don't go against the busy farming season. Valley can't eat; Counting can't enter the bay, and fish and turtles can't win food; Axe gold gets into the mountain in time, and mywood can't be used. Valley and fish turtles can't fight for food, and wood and wood can't fight for it, which makes people lose their lives and have no regrets. There is no regret in being born and dying, and the beginning of the king is also. " This content can be understood as the first stage of Mencius' thought, which is to solve the problem of people's eating. This is mainly achieved through the idea of sustainable development in which man and nature live in harmony. Only by respecting the laws of nature, fearing nature and being grateful for nature. Implement the scientific development strategy. Will be richly rewarded by nature; Only when people live in harmony with nature can we solve the material problems of people's survival and development. Source: The Road to Success