As China's largest broadband access provider, China Telecom has its own advantages in the highly competitive communications market. But overall speaking, the position of telecom operators in the cloud computing market needs to be improved. It is an important channel of expanding the operation field of telecom for the development of the cloud computing market. Based on this, this paper firstly analyzes the importance of cloud computing for the China Telecom, and then analyzes the construction of China Telecom cloud platform, finally puts forward advantages and disadvantages of the cloud computing construction of China Telecom, which is of great significance for the development of China's cloud computing technology.