智慧型手機對現代人而言是便利的工具，但APP卻屢見對手機用戶隱私權的侵害。加上網路的無遠弗屆，也讓個人資料透過網路傳遞到世界的任一個角落，產生更多不可預期的資訊安全事件，因此個人在數位世界的隱私權保護值得進一步地重視。本文擬以消費者熟悉的全聯會員的APP結合全支付APP為例，說明智慧型手機用戶可能在使用APP時可能產生的數位隱私權風險，除了個人基本資料，金融資料、消費資料、日常定位均被記錄於網路系統作大數據統計，進而做商業廣告投放，本文並擬略述可能的保護機制。

Smartphones are convenient tools for modern people, but apps often violate users’ privacy rights. Given the vast reach of the Internet, personal information can be transmitted to any corner of the world, resulting in more unpredictable information security incidents. Therefore, the protection of personal privacy in the digital world deserves further attention. This article intends to use the APP of PX Mart’s members familiar to consumers combined with the PXPay Plus APP as an example to illustrate the digital privacy risks that smartphone users may encounter. In addition to basic personal information, financial data, consumption data, and daily location tracking all are recorded in network system for big data statistics, and then for commercial advertisement placement. This article intends to outline possible protection mechanisms.