The TV series "Du Lala's Promotion Diary" was adapted from the homonymous best-selling novel. It tells about how Du Lala, who is fairly good-looking, straightforward and optimistic, and works solidly. She jumpedę§½from private enterprise to one of the world's top 500 enterprises. She constantly explored and summarized the lessons she learned from the workplace, and strived and paid in her work. Eventually, she was promoted from an ordinary white-collar worker to a middle-level manager. This story is very instructive to people in the workplace.