A regional electric vehicle sharing and management system includes a system backup server connected to a system management server via an Intranet wherein both the system management server and the system backup server are configured to access the Internet via the Intranet; mobile devices, each configured to access the Internet via a telecommunications network or a wireless network; computers, each configured to access the Internet via a wired network or a wireless network; battery exchange devices, each including batteries, a charging circuit, and a power monitoring system wherein the batteries, the charging circuit, and the power monitoring system are electrically connected together, and the batteries are respectively mounted in the charging circuit; and electric vehicles, each including batteries and vehicle control systems they are electrically connected together. A regional electric vehicle sharing and management method is also provided.