Sharing clinical trial data can increase the transparency of clinical trials and improve the its authenticity. The current requirements of clinical research data transparency is not fully adequate, and it is still difficult to create an environment in which the sharing of the clinical trial data becomes the norm. The article analyzed various concerns on data sharing and proposed solutions in data ownership, technology, implementation, and legal issues systematically, calling for clinical trial data sharing in order to promote transparency of clinical trials, and looking forward to minimize the risks and maximize the benefits of data sharing.