Thin smart card data updating method and device

The invention provides a thin smart card data updating method and device, and the method comprises the steps: obtaining the information of a smart card and a customer identity identification card, andenabling the smart card and the customer identity identification card to have a binding relation; sending the information of the smart card and the customer identity identification card to a server,so that the server judges whether update data of the smart card exists in the server or not according to the information of the smart card and the client identity identification card; sending a data updating request to the server in response to the fact that the updating data of the smart card exists in the server; obtaining update data sent by the server, the update data comprising update data ofan operating system of the smart card and/or update data of an application in the smart card; and updating the operating system of the smart card and/or updating the application according to the updating data. The method can i