An elastic material according to embodiment 1 comprises an elastic film 2, non-woven fabric 3 laminated on both surfaces of the elastic film 2, and crimped parts 4 where the non-woven fabric 3 and elastic film 2 are crimped and indented, the crimped part 4 is prepared with a plurality of vertical emboss 5 formed on a first line and a plurality of non-vertical emboss 6 formed on a second line beside the first line in a direction diagonally intersecting the MD direction of the elastic film, wherein the vertical emboss 5 is a long lengthy shape in a direction orthogonal to the MD direction, the first line and second line are alternately arranged, and at least a part of the intervals of adjacent vertical emboss 5 on the same line are smaller than the intervals of non-vertical emboss 6 on the same line.根據實施例1之一彈性材料包含:一彈性膜2;不織布3,其係層壓於彈性膜2的兩個表面上;及壓接部分4,其中該不織布3及該彈性膜2經壓接及壓痕,該壓接部分4製備有在與該彈性膜之MD方向以對角線方式相交的一方向上形成於一第一線上的複數個垂直壓紋5及形成於該第一線旁邊的一第二線上的複數個非垂直壓紋6,其中該垂直壓紋5在正交於該MD方向之一方向上係一長型形狀,該第一線及第二線係交替地配置,且在相同線上之相鄰的垂直壓紋5的間隔的至少一部分小於在相同線上之非垂直壓紋6的間隔。