1, natural realm: The characteristic of natural realm is that people in this realm are obedient and obedient. The so-called shuncai means ordinary so-called frankness. Obedience means conforming to personal habits or social customs. People in this realm follow the trend, "what should be done, what should be stopped", and then "do as usual" and follow the trend. Whether he is obedient or not, he has no clear understanding of the nature of what he is doing.
2. utilitarian realm: the characteristic of utilitarian realm is that people in this realm act for the benefit. The so-called "profit" is for your own benefit. All animals act for profit. However, most animals act for their own interests, but they are all based on instinctive impulses, not psychological plans. People in utilitarian realm have a clear understanding of "self" and "benefit". Moreover, when he has this behavior, he knows what this behavior is, and he consciously has this behavior.
3. Moral realm: The moral realm is manifested by people who are in this realm, and their behavior is "righteous". Righteousness and benefit are complementary to each other. The act of seeking one's own interests is an act of seeking social interests for the sake of interests and an act of upholding justice. People in the moral field are conscious of human nature. Understanding human nature is included in sociality.
4. Heaven and earth realm: The characteristic of heaven and earth realm is that people in this realm, their behavior is "doing things for heaven". This is the highest realm of being a man and doing things. People in heaven and earth understand the whole society and the whole universe. Only when people know that there is a full-time universe can they make their income as humanized as possible and develop as much as possible. People in the realm of heaven and earth have a higher level of consciousness.
5. Feng Youlan's philosophy has great practical significance for everyone to think about real life. People in their own lives, set lofty life goals and construct an ideal blueprint for life, which will increase the motivation of life. A person constantly seeks the lofty realm of life in a limited life, in fact, he seeks the infinite value of life through a limited life. This theory of life realm not only integrates the excellent tradition of China's philosophy of life, but also has practical significance and value in today's social life.