The TV series "Du拉la's Promotion Diary" was adapted from the namesake best-selling novel. It tells of Du LaLa who has looks above average, a straight forward and optimistic personality, and works solidly. She transferred from a private enterprise to one of the world Fortune 500 enterprises. She kept exploring and summarizing lessons on workplace, and strived and paid in work. Finally she was promoted from an ordinary white collar worker to a mid-level managerial staff of the enterprise. This story is instructive for people working on their jobs.