Self-confidence is a psychological tendency to believe that you have the ability to achieve your chosen goals; It is my will quality that I firmly believe that I have the ability to overcome difficulties and achieve success. Self-confidence is the internal motivation to make people forge ahead and an important psychological factor for a person's success. Whether a person has good self-confidence will play a vital role in the development of his life. Because self-confidence is the catalyst of ability, self-confidence can mobilize people's potential, and self-confidence can adjust people's various functions. This kind of transfer and adjustment promote each other, and one will benefit from it.