From a psychological point of view, temperament and personality had an important impact on the development of life. Temperament referred to the characteristics of an individual's nervous system, including energy, excitement, flexibility, attention, and so on. People with different temperaments had different cognition, behavior, and interpersonal communication methods, so they would show different characteristics and advantages in life. For example, some people tend to be more extroverted and sociable, while others tend to be more introverted and thoughtful. Character referred to an individual's perception and attitude towards emotions, behavior, and values. People with different personality types have different emotional reactions, behavior patterns, and values, so they will show different difficulties and challenges in life. For example, those who tend to be more stable and gentle may be more easily adapted to changes and stress in life, while those who tend to be more impulsive and intense may be more easily affected by emotions. Temperament and personality had an important influence on the development of one's life. Temperament types might affect an individual's cognition and interpersonal relationships, which in turn would affect their career choices, interpersonal relationships, and achievements. A person's personality type might affect their mood and behavior patterns, which in turn would affect their quality of life and happiness. Therefore, individuals should choose a suitable lifestyle and career path to achieve their own life development on the basis of understanding their temperament and personality type.