The man should be of the same inherent quality with nature. Basing on this understanding, using the characteristic of most common and fundamental properties(movement and its discipline) revealing by science, this theses deduces the schematic diagram on human nature, includes 'love' and 'hate', thus reasonably explains human nature. The common law of movement of nature revealing by synergetics, competition and cooperation, is the way to make known the mysteries of human nature; and it’s a development of synergetics itself.