A driving service system, a provider-side mobile device and a server are disclosed. The driving service system includes the server and the provider-side mobile device. The provider-side mobile device is communicational connected with the server. When a driving mission is assigned to an owner of the provider-side mobile device, the owner operates an input unit of the provider-side mobile device to input identity information of the owner and to select a driving route corresponding to the driving mission. The provider-side mobile device provides position information when moving on the driving route. The server obtains a position of the provider-side mobile device on first map information and the identity information of the owner according to the position information.