A cabinet air-conditioning guiding mechanism, including: at least a cabinet, which includes a placing space inside for placing equipments; a cooling mechanism, which includes a cold communicating pipeline, a hot communicating pipeline and a cooling apparatus, wherein the cooling apparatus is provided to receive hot air and generate cold air, wherein the cold communicating pipeline respectively connected to a front part of each cabinet and the cooling apparatus is provided to supply cold air generated by the cooling apparatus to the front part of each cabinet, wherein the hot communicating pipeline respectively connected to a rear part of each cabinet and the cooling apparatus is provided to supply hot air exhausted from the rear part of each cabinet to the cooling apparatus; characterized in that the cabinet air-conditioning guiding mechanism further comprises at least an air-conditioning guide module, which includes a front frame and a rear frame with their shape matching the cabinet, wherein one front frame and one rear frame is provided for each cabinet, one side of the front frame being connected to a front side of the cabinet and another side thereof being provided to be enclosed by a front board of the cabinet and one side of the rear frame being connected to the rear side of the cabinet and the another side thereof being provided to be enclosed by a rear board of the cabinet, wherein the front frame has a front space inside, the rear frame has a rear space inside, the front space and the rear space are communicated with a placing space inside the cabinet but enclosed to the outside while the front frame and the rear frame are connected to the cabinet; and, at least a front guide module is set on the front frame for guiding outside cold air flowing inwards, a rear guide module is set on the rear frame for guiding hot air generated inside flowing outwards, to form an unidirectional flow mechanism directly applied to the interior of the cabinet; and wherein the cold communicating pipeline, one front guide module, the hot communicating pipeline and one rear guide module are located above each air-conditioning guide module, wherein the cold communicating pipeline is respectively connected to the front guide module and the cooling apparatus to supply cold air generated by the cooling apparatus to the front frame and the hot communicating pipeline is respectively connected to the rear guide module and the cooling apparatus to supply hot air exhausted from the rear frame to the cooling apparatus. at least a cabinet, which includes a placing space inside for placing equipments; a cooling mechanism, which includes a cold communicating pipeline, a hot communicating pipeline and a cooling apparatus, wherein the cooling apparatus is provided to receive hot air and generate cold air, wherein the cold communicating pipeline respectively connected to a front part of each cabinet and the cooling apparatus is provided to supply cold air generated by the cooling apparatus to the front part of each cabinet, wherein the hot communicating pipeline respectively connected to a rear part of each cabinet and the cooling apparatus is provided to supply hot air exhausted from the rear part of each cabinet to the cooling apparatus; characterized in that the cabinet air-conditioning guiding mechanism further comprises at least an air-conditioning guide module, which includes a front frame and a rear frame with their shape matching the cabinet, wherein one front frame and one rear frame is provided for each cabinet, one side of the front frame being connected to a front side of the cabinet and another side thereof being provided to be enclosed by a front board of the cabinet and one side of the rear frame being connected to the rear side of the cabinet and the another side thereof being provided to be enclosed by a rear board of the cabinet, wherein the front frame has a front space inside, the rear frame has a rear space inside, the front space and the rear space are communicated with a placing space inside the cabinet but enclosed to the outside while the front frame and the rear frame are connected to the cabinet; and, at least a front guide module is set on the front frame for guiding outside cold air flowing inwards, a rear guide module is set on the rear frame for guiding hot air generated inside flowing outwards, to form an unidirectional flow mechanism directly applied to the interior of the cabinet; and wherein the cold communicating pipeline, one front guide module, the hot communicating pipeline and one rear guide module are located above each air-conditioning guide module, wherein the cold communicating pipeline is respectively connected to the front guide module and the cooling apparatus to supply cold air generated by the cooling apparatus to the front frame and the hot communicating pipeline is respectively connected to the rear guide module and the cooling apparatus to supply hot air exhausted from the rear frame to the cooling apparatus.