A: Naturalistic education theory is the main body of Rousseau's educational thought. Rousseau believes that human education has three sources. That is, "nature", "thing" and "man-made", only a good combination of the three kinds of education can achieve the expected goal. The ultimate goal of nature education is "natural person". A natural person is not a degenerate who returns to the primitive society, but a natural person who lives in the society, that is, a new person with good physical and mental health, sound mind and strong ability. A necessary premise of Rousseau's nature education is to change children's views. People should not treat children as disciplined slaves, nor as shrinking adults, but as adults and children. From the historical process, Rousseau's natural education thought aims at opposing and accusing feudal autocracy of destroying and suppressing children's individuality and freedom, and opposing scholastic philosophy education to force children to learn religious teachings and their harsh discipline and corporal punishment by rote, which is of revolutionary and progressive significance to anti-feudalism. The purpose of nature education is to cultivate "natural people", that is, a new generation of people who are completely free to grow up, physically and mentally harmonious, self-reliant and self-reliant, not bound by tradition and able to adapt to social life. This kind of "natural person" has been trained to be as independent as possible since childhood. He has neither the habit of turning to others forever nor the habit of boasting to others. Able to observe, judge, think and analyze things independently; Growing up, I learned a lot from nature, not from people; Physical and mental exercise at the same time, not only physically strong, but also intelligent and knowledgeable. Generally speaking, although Rousseau's thought shows his historical limitations, and some viewpoints are contradictory and even extreme, it still shines brilliantly today. After entering the second half of the19th century, with the development of scientific psychology and people's gradual understanding and understanding of children's psychological characteristics, naturalistic educational thought is no longer an important topic in the west, but this does not mean that the principle of natural adaptability of education is not important. On the contrary, it is the naturalistic educational thoughts of some educators such as Rousseau that laid the foundation for the formation of people-oriented educational style in western countries.