Personality, temperament, impulsiveness, scorching, psychological stress . The factors that determine "I am mine" are considered to depend on culture, environment, and choice, but they are all branded with genes. How abstract genetic tendencies translate into specific personality is the "last mile" that has not been run in genetics. It seems ridiculous that only a few genes can change our perception of ourselves. However, In history, this scene has been repeatedly performed. Every step we take in the path of understanding genes has caused a major change in human social worldview, values and behavior. Darwin s discovery of heredity and mutation has subverted Human beings' cognition of their own origins. With the deepening of research, people have gradually discovered that whether a gene "expresses" itself depends on acquired factors such as the environment. The text is intended to explain:. ['Genes cannot decide everything by themselves.', 'Personality depends on culture, environment and choice.', 'Personality and temperament are branded with genes.', 'Genetic research has caused major changes in human social worldviews, values and behaviors.']