Retaining university students after their graduation is one of the goals pursued by many cities. Understanding the college graduates' willing to stay is of great benefit to the task improvement. Drawing on in-depth interviews with 9 college graduates who stayed in Quanzhou city where their universities is located, this paper considers the choice of stay or not is the result of the comprehensive effect of multiple driving forces. It inclueds right position, climatic amenities, social amenities, and pace of life. Most choose to stay, while a small number are looking for a chance to leave. Based on the empirical results of this paper, some policy recommendations are suggested, such as internship opportunities offering, entrepreneurs funds supporting, and good social security services providing.