Introduction - If you have any usage issues, please Google them yourself
With the popularity of smart phones, various kinds of smart phone applications emerge in endlessly. While enriching the functions of smartphones and greatly facilitating people's lives, the problem of user privacy leakage can not be ignored. Smartphone application privacy deviance, and even malicious stealing of user privacy for profit phenomenon emerges in endlessly. Privacy leakage poses a great threat to the personal safety and property safety of users. This paper studies the privacy protection of smartphone app users, and proposes methods of privacy protection, including encryption technology, false data tracking and interception.