Risk identification of commercial aircraft project is very important process to identification where risk raise up, which condition risk happens, what character, and how deal with it. It is necessary to govern risk effetely in project research life cycle for achieving commercial aircraft success, while risk identification is the most important and the most prominent position in risk management. In this paper, advantage or disadvantage of every risk identification method is dissertated, a methodology of risk identification is provided for commercial aircraft project and its feasibility and operable is demonstrated.