In recent years, organizations using cloud computing has become a trend. Governmental organizations have begun to use cloud computing services to manage the personal data protection and risk management. This article provides a governance mechanism for protecting personal data in a cloud computing environment. It includes three control levels to establish a cloud computing governance mechanism to protect personal data, including the levels of management, technology and auditing. This mechanism is for everyone to be able to get more protection and to reduce security risk for government in the cloud computing environment. When the Government applies cloud services, good mechanisms will help the Government to protect all information technology security and is helpful for policy communication. It will not only make people feel at ease using the cloud information but also enhance people's confidence in the Government. It will enhance the mutual trust between the government and the people.