In many mobile apps, there is the problem of over collecting information, which has aroused public doubts. Once users authorize apps to collect this information, they are most worried about the security of private information. In this era of rapid development of information, absolute information security is almost impossible. In recent years, Facebook leaked users in the United States and the recent killing of big data in China, As the most basic telecommunications service provider, operators have hundreds of millions of users' privacy data. Once there is a problem, the consequences are even more difficult to estimate.
The collection and use of hidden information by mobile app and telecom operators must be standardized can be introduced.