A pipe member for use in a natural thermal storage body comprising: -- A columnar thermal conductive body; --Multiple-route U-type spiral piping: constituted by a U-type spiral piping structure having two or more routes installed within the columnar thermal conductive body, the U-type spiral piping structure allows a thermal conductive fluid to pass through the columnar thermal conductive body which is composed of solid state or colloidal object; the U-type spiral piping structure is spirally and annularly installed near the peripheral edge of the columnar thermal conductive body, wherein the first fluid inlet and outlet terminal of the U-type spiral piping structure of each route is installed at the top of the spiral piping structure center, and is connected with the bottom of the U-type spiral piping structure of each route through the central piping segment of U-type spiral piping of each route, and the bottom of the U-type spiral piping structure is concentrated toward the center of the columnar thermal conductive body, and the second inlet and outlet terminal of each route is installed at the top end of the U-type spiral piping structure spirally via the piping segment of the second fluid inlet and outlet terminal of the U-type spiral piping structure of each route; and the central piping segments of the U-type spiral piping of each route being concentrated in the columnar thermal conductive body --Thermal insulating device: the periphery of the concentrated central piping segments of the U-type spiral piping is installed within the thermal insulating device, so that the thermal energy loss caused by thermal conduction between the concentrated central piping segments of U-type spiral piping and the piping segment is substantially reduced. -- A columnar thermal conductive body; --Multiple-route U-type spiral piping: constituted by a U-type spiral piping structure having two or more routes installed within the columnar thermal conductive body, the U-type spiral piping structure allows a thermal conductive fluid to pass through the columnar thermal conductive body which is composed of solid state or colloidal object; the U-type spiral piping structure is spirally and annularly installed near the peripheral edge of the columnar thermal conductive body, wherein the first fluid inlet and outlet terminal of the U-type spiral piping structure of each route is installed at the top of the spiral piping structure center, and is connected with the bottom of the U-type spiral piping structure of each route through the central piping segment of U-type spiral piping of each route, and the bottom of the U-type spiral piping structure is concentrated toward the center of the columnar thermal conductive body, and the second inlet and outlet terminal of each route is installed at the top end of the U-type spiral piping structure spirally via the piping segment of the second fluid inlet and outlet terminal of the U-type spiral piping structure of each route; and the central piping segments of the U-type spiral piping of each route being concentrated in the columnar thermal conductive body --Thermal insulating device: the periphery of the concentrated central piping segments of the U-type spiral piping is installed within the thermal insulating device, so that the thermal energy loss caused by thermal conduction between the concentrated central piping segments of U-type spiral piping and the piping segment is substantially reduced.