A capacitor, comprising: a substrate; at least one multi-wing structure, wherein the multi-wing structure comprises N axes and M wings, the N axes extends along a first direction and the M wings protrude from side walls of the N axes towards a direction perpendicular to the first direction, M is an integer greater than or equal to 2, N is a positive integer, the substrate is disposed under the multi-wing structure, the first direction is a direction perpendicular to the substrate, the multi-wing structure extends from an upper surface of the substrate into the substrate along a first direction, and the laminated structure extends from an upper surface of the substrate into the substrate along the first direction; a laminated structure cladding the at least one multi-wing structure and being conformal to the multi-wing structure, wherein the laminated structure comprises two conductive layers and a dielectric layer laminated between the two conductive layers; a first external electrode, wherein the first external electrode is electrically connected to one of the two conductive layers; a second external electrode, wherein the second external electrode is electrically connected to the other conductive layer of the two conductive layers, the first external electrode and the second external electrode are electrically connected to the two conductive layers respectively through an interconnection structure, the interconnection structure comprises an insulating layer and a conductive channel, and the conductive channel penetrates through the insulating layer to electrically connect the two conductive layers; an isolation ring located at an outer side of the at least one multi-wing structure, wherein the isolation ring is disposed in the laminated structure and extends from an upper surface of the laminated structure into or through the laminated structure along a first direction to isolate the laminated structure into a first region and a second region surrounding the first region, and the first external electrode and/or the second external electrode is only electrically connected to the laminated structure located in the first region. a substrate; at least one multi-wing structure, wherein the multi-wing structure comprises N axes and M wings, the N axes extends along a first direction and the M wings protrude from side walls of the N axes towards a direction perpendicular to the first direction, M is an integer greater than or equal to 2, N is a positive integer, the substrate is disposed under the multi-wing structure, the first direction is a direction perpendicular to the substrate, the multi-wing structure extends from an upper surface of the substrate into the substrate along a first direction, and the laminated structure extends from an upper surface of the substrate into the substrate along the first direction; a laminated structure cladding the at least one multi-wing structure and being conformal to the multi-wing structure, wherein the laminated structure comprises two conductive layers and a dielectric layer laminated between the two conductive layers; a first external electrode, wherein the first external electrode is electrically connected to one of the two conductive layers; a second external electrode, wherein the second external electrode is electrically connected to the other conductive layer of the two conductive layers, the first external electrode and the second external electrode are electrically connected to the two conductive layers respectively through an interconnection structure, the interconnection structure comprises an insulating layer and a conductive channel, and the conductive channel penetrates through the insulating layer to electrically connect the two conductive layers; an isolation ring located at an outer side of the at least one multi-wing structure, wherein the isolation ring is disposed in the laminated structure and extends from an upper surface of the laminated structure into or through the laminated structure along a first direction to isolate the laminated structure into a first region and a second region surrounding the first region, and the first external electrode and/or the second external electrode is only electrically connected to the laminated structure located in the first region.