A mobile communication base station antenna, comprising: a reflecting plate; a patch-type first radiating element installed on the front surface of the reflecting plate; a dipole-type second radiating element installed on the first radiating element; and at least one first circuit board for feeding installed on the front surface of the reflecting plate, the at least one circuit board being provided with a feeding conductor pattern configured to provide a feeding signal to the first radiating element, wherein the first radiating element includes: a patch plate designed to have a preset size to generate the radio frequency of the corresponding frequency band and formed in a rectangular plate shape and formed of a metal material; characterized by at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling attached to the reflecting plate in an upright form relative to the reflecting plate installed to support the patch plate such that the at least two second planar circuit boards (344, 344-1, 344-2) form an X-shape in a plane parallel to the reflecting plate, and a portion on each of the at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling is printed with a plurality of line patterns for signal coupling configured to provide a feeding signal to the patch plate by a coupling method, respectively, the plurality of line patterns forming an X-shape in a plane parallel to the reflecting plate, and the at least one circuit board configured to provide the feeding signal to the plurality of line patterns for signal coupling, respectively. a reflecting plate; a patch-type first radiating element installed on the front surface of the reflecting plate; a dipole-type second radiating element installed on the first radiating element; and at least one first circuit board for feeding installed on the front surface of the reflecting plate, the at least one circuit board being provided with a feeding conductor pattern configured to provide a feeding signal to the first radiating element, wherein the first radiating element includes: a patch plate designed to have a preset size to generate the radio frequency of the corresponding frequency band and formed in a rectangular plate shape and formed of a metal material; characterized by at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling attached to the reflecting plate in an upright form relative to the reflecting plate installed to support the patch plate such that the at least two second planar circuit boards (344, 344-1, 344-2) form an X-shape in a plane parallel to the reflecting plate, and a portion on each of the at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling is printed with a plurality of line patterns for signal coupling configured to provide a feeding signal to the patch plate by a coupling method, respectively, the plurality of line patterns forming an X-shape in a plane parallel to the reflecting plate, and a patch plate designed to have a preset size to generate the radio frequency of the corresponding frequency band and formed in a rectangular plate shape and formed of a metal material; characterized by at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling attached to the reflecting plate in an upright form relative to the reflecting plate installed to support the patch plate such that the at least two second planar circuit boards (344, 344-1, 344-2) form an X-shape in a plane parallel to the reflecting plate, and a portion on each of the at least two second planar circuit boards (344, 344-1, 344-2) for signal coupling is printed with a plurality of line patterns for signal coupling configured to provide a feeding signal to the patch plate by a coupling method, respectively, the plurality of line patterns forming an X-shape in a plane parallel to the reflecting plate, and the at least one circuit board configured to provide the feeding signal to the plurality of line patterns for signal coupling, respectively.