A magnetic stimulation device (A) comprising: a magnetic core including: a core body ; and a pair of first and second legs extending from the core body ; and conductors including: a conductor having conductive layers (12a - 12n) that are wound around the first leg and stacked in different levels; and a conductor having conductive layers (16a - 16n) that are wound around the second leg and stacked in different levels, wherein an ordinate number of the conductive layers (12a - 12n, 16a - 16n) is counted in such a manner that the layer located closest to a front end of the first or second leg is referred to as a first layer , the layer adjacent to the first layer toward the core body is referred to as a second layer and the layer closest to the core body is referred to as an nth layer , the conductive layers are each formed of a wire having a rectangular cross section that is parallel to a longitudinal direction of the first and second legs, and between the pair of first and second legs, the wires of the conductive layers (12a - 12n) around the first leg are respectively connected, at each level, to the wires of the conductive layers (16a - 16n) around the second leg , the first layer wound around the first leg is connected to the nth layer wound around the second leg , the nth layer wound around the first leg is connected to the first layer wound around the second leg , second to (n-1)th layers (12b - 12(n-1)) wound around the first leg are respectively connected in reverse order to (n-1)th to second layers (16(n-1) - 16b) wound around the second leg , and remaining ends of the wires of the conductive layers (12a - 12n, 16a - 16n) wound around each of the first and second legs are connected in parallel for the individual first and second legs , respectively. a magnetic core including: a core body ; and a pair of first and second legs extending from the core body ; and conductors including: a conductor having conductive layers (12a - 12n) that are wound around the first leg and stacked in different levels; and a conductor having conductive layers (16a - 16n) that are wound around the second leg and stacked in different levels, wherein an ordinate number of the conductive layers (12a - 12n, 16a - 16n) is counted in such a manner that the layer located closest to a front end of the first or second leg is referred to as a first layer , the layer adjacent to the first layer toward the core body is referred to as a second layer and the layer closest to the core body is referred to as an nth layer , the conductive layers are each formed of a wire having a rectangular cross section that is parallel to a longitudinal direction of the first and second legs, and between the pair of first and second legs, the wires of the conductive layers (12a - 12n) around the first leg are respectively connected, at each level, to the wires of the conductive layers (16a - 16n) around the second leg , the first layer wound around the first leg is connected to the nth layer wound around the second leg , the nth layer wound around the first leg is connected to the first layer wound around the second leg , second to (n-1)th layers (12b - 12(n-1)) wound around the first leg are respectively connected in reverse order to (n-1)th to second layers (16(n-1) - 16b) wound around the second leg , and remaining ends of the wires of the conductive layers (12a - 12n, 16a - 16n) wound around each of the first and second legs are connected in parallel for the individual first and second legs , respectively. <EOS>