User data processing method, and two-dimensional code display method, system and device

The invention discloses a user data processing method and system, a cloud service system, a two-dimensional code display method and device, a two-dimensional code information processing method and device, electronic equipment and a computer readable storage medium. The user data processing method comprises the following steps: receiving or reading pre-stored input data of a target user submitted by a user terminal, and obtaining user instant data of the user terminal and mining data related to the target user; generating first code data according to the input data and the user instant data, and generating second code data according to the mining data; generating two-dimensional code data according to the first code data and the second code data; and sending the two-dimensional code data tothe user terminal, so as to enable the user terminal to display a two-dimensional code containing security state information for representing the target user based on the two-dimensional code data. 本申请公开一种用户数据处理方法及系统、云服务系统、二