A smart terminal service system and a smart terminal processing data are disclosed. The smart terminal service system comprises smart shoes and the smart terminal. The smart shoes comprises a memory, a pressure sensor sensed by a predetermined pressure of a user, and a controller for calculating sensor velocity data on the basis of sensor data sensed by the pressure sensor and transmitting the calculated sensor velocity data to the smart terminal. And, the smart terminal comprises a communication unit for transmitting and receiving a signal to and from the smart shoes, a receiving unit for receiving GPS velocity data and sensor velocity data of the smart shoes, a memory, and a controller for controlling an execution of a smart shoes application and for calculating movement data of the smart shoes based on the received GPS velocity data and sensor velocity data which is sensed by the pressure sensor provided in the smart shoes.
