随着智能手机的普及,各类智能手机应用层出不穷。在丰富了智能手机功能,极大便利了人们生活的同时,用户隐私泄漏问题不容忽视。智能手机应用隐私越轨,甚至恶意盗取用户隐私牟利的现象层出不穷。隐私泄漏对用户的人身安全和财产安全产生很大威胁。本文针对智能手机app用户隐私保护问题进行研究,提出隐私保护的方法,包括加密技术、虚假数据追踪与拦截等。(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.)