Contact information processing method, device and system

The invention relates to a contact information processing method, a device and a system. the method comprises steps: a request for combining name cards of repeated contacts initiated by a user client is received; according to the request for combining the name cards of the repeated contacts, name card data of user contacts are pulled; and on the basis of the name card data of the user contacts, the name cards of the user contacts are compared, and the name cards of the user contacts are treated in a preset strategy according to the comparison result. Accuracy of combination of the repeated contacts is improved, and the storage space is saved.