Embodiments of the present invention provide a user data processing method, and a device. The method includes: acquiring, by a first device, first data and at least one piece of second data, wherein the first data is data acquired by the first device itself by detecting a user behavior, and the second data is data acquired by at least one second device by detecting the user behavior and determining, by the first device in accordance with a preset rule according to the first data and the second data, user data corresponding to the user behavior, and presenting the user behavior and/or the user data, so that a user can view most correct and most needed data in the first time in different scenes, thereby improving user experience.
