Data processing method and device

The invention provides a data processing method and device. The data processing method comprises that: a first client terminal transmits an project obtaining request to a server; the first client terminal obtains target project data corresponding to the project obtaining request which is transmitted by the server; the first client terminal responds to an order for returning to a chat interface from a user, jumps to a chat interface and generates an project prompt corresponding to the target project data; the first client terminal responds to an order transmitted by the user to generate a project model carrying target project data; and the first client terminal transmits the project model to the server in order to make the second client terminal receive the project model. The data processing method and device can solve a problem of user's chatting topics, can help user fast focus on communication over a project, displays in a way most close to natural chatting without interfering in and interrupting an origina