A method of manufacturing an anisotropically conductive member comprising: an insulating base material; and conductive paths composed of a conductive material which pass in a mutually insulated state through the insulating base material in a thickness direction thereof and which are provided in such a way that a first end of each conductive path is exposed on a first side of the insulating base material and a second end of each conductive path is exposed on a second side of the insulating base material, wherein the conductive paths have a density of at least 2 million paths/mm 2 and the insulating base material is a structure composed of an anodized aluminium film having micropores (101 to 109) therein, and the micropores (101 to 109) have a degree of ordering, as defined by formula (i): Degree of ordering % = B / A × 100 of at least 50%, wherein A represents a total number of micropores in a region of measurement and B represents a number of specific micropores in the region of measurement for which, when a circle is drawn so as to be centered on a center of gravity of a specific micropore and so as to be of a smallest radius that is internally tangent to an edge of another micropore, the circle includes centers of gravity of six micropores other than the specific micropore, the method comprising, in order: an anodizing step of anodizing an aluminium substrate so as to form said anodized film having micropores therein with a degree of ordering as defined by formula (i), wherein an average flow velocity of electrolytic solution in the anodising step is from 0.5 to 20.0 m/min; a perforating step of passing holes determined by the micropores (a6d) through the anodized film so as to obtain said insulating base material; and a metal filling step of filling a metal as the conductive material into the holes which pass through the insulating base material so as to obtain said anisotropically conductive member. an insulating base material; and conductive paths composed of a conductive material which pass in a mutually insulated state through the insulating base material in a thickness direction thereof and which are provided in such a way that a first end of each conductive path is exposed on a first side of the insulating base material and a second end of each conductive path is exposed on a second side of the insulating base material, wherein the conductive paths have a density of at least 2 million paths/mm 2 and the insulating base material is a structure composed of an anodized aluminium film having micropores (101 to 109) therein, and the micropores (101 to 109) have a degree of ordering, as defined by formula (i): Degree of ordering % = B / A × 100 of at least 50%, wherein A represents a total number of micropores in a region of measurement and B represents a number of specific micropores in the region of measurement for which, when a circle is drawn so as to be centered on a center of gravity of a specific micropore and so as to be of a smallest radius that is internally tangent to an edge of another micropore, the circle includes centers of gravity of six micropores other than the specific micropore, the method comprising, in order: an anodizing step of anodizing an aluminium substrate so as to form said anodized film having micropores therein with a degree of ordering as defined by formula (i), wherein an average flow velocity of electrolytic solution in the anodising step is from 0.5 to 20.0 m/min; a perforating step of passing holes determined by the micropores (a6d) through the anodized film so as to obtain said insulating base material; and a metal filling step of filling a metal as the conductive material into the holes which pass through the insulating base material so as to obtain said anisotropically conductive member. an anodizing step of anodizing an aluminium substrate so as to form said anodized film having micropores therein with a degree of ordering as defined by formula (i), wherein an average flow velocity of electrolytic solution in the anodising step is from 0.5 to 20.0 m/min; a perforating step of passing holes determined by the micropores (a6d) through the anodized film so as to obtain said insulating base material; and a metal filling step of filling a metal as the conductive material into the holes which pass through the insulating base material so as to obtain said anisotropically conductive member.