Abstract: Objective To discuss common risk and its influencing factors of venous indwelling needle,and put forward the risk control suggestions. Methods The suspected adverse events of venous indwelling needle collected from Center for ADR Monitoring of Fujian from 2008 to 2013 and the relevant literature were classified and counted, and then the possible causes of the events were analyzed. Results The common device failures were weeping and blocking. The common injures were the infusion site reactions, such as swelling, scleroma, pain, infection etc, and phlebophlogosis. Conclusion After analyzing the risk of vein detained needle and possible factors of adverse events, the risk control suggestions are put forward to avoid the risk of venous indwelling needle, as well as to improve the safety of such prducts.