“…(Yu ZG., 2017) I believe that this classification is reasonable: for "whereabouts and trajectories", this category is added mainly to respond to the aforementioned "activity information", "whereabouts and trajectories Trajectory" is the trajectory formed by people moving at different points in time and different geographical locations. (Gao F. P., 2017) In the information age, the use of technical means through the network behavior trajectory can be easily traced to the real trajectory, in essence, is a kind of information to identify the individual, if it is separated from the specific natural person identification, the protection of pure trajectory information is meaningless. However, for "property status" information and "account password" information, they do not have identification, but are only a kind of associated personal information, which aims to protect the personal and property rights behind them.…”