Disclosed herein are a method and procedure for processing protection data for protecting data privacy in an M2M system. According to an embodiment of the present disclosure, an M2M apparatus located in an M2M platform in an M2M system includes a communicator configured to transmit and receive a signal and a processor configured to control the communicator. Herein, the processor generates a resource at a resource generation request for administering data received by the communicator, generates a resource at a resource generation request for storing the data received by the communicator, determines whether the data received by the communicator are protection data, and when the data are determined as protection data, performs data processing for privacy protection.