An optical imaging lens, along an optical axis from an object side to an image plane (S 16), sequentially comprising only two groups: a first group with a negative focal power; a stop; and a second group with a positive focal power, characterized in that: the first group consists of a first lens and a second lens from the object side to the image plane, the first lens has a negative focal power, a concave object side surface and a concave image side surface, the second lens has a positive focal power, a convex object side surface and a convex image side surface; and the second group consists of a third lens, a fourth lens, a fifth lens and a sixth lens from the object side to the image plane, the third lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens has a negative focal power, a concave object side surface and a concave image side surface, the fifth lens has a positive focal power, a convex object side surface and a convex image side surface, the sixth lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens and the fifth lens form a cemented body, and the cemented body has a positive focal power. a first group with a negative focal power; a stop; and a second group with a positive focal power, characterized in that: the first group consists of a first lens and a second lens from the object side to the image plane, the first lens has a negative focal power, a concave object side surface and a concave image side surface, the second lens has a positive focal power, a convex object side surface and a convex image side surface; and the second group consists of a third lens, a fourth lens, a fifth lens and a sixth lens from the object side to the image plane, the third lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens has a negative focal power, a concave object side surface and a concave image side surface, the fifth lens has a positive focal power, a convex object side surface and a convex image side surface, the sixth lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens and the fifth lens form a cemented body, and the cemented body has a positive focal power. the first group consists of a first lens and a second lens from the object side to the image plane, the first lens has a negative focal power, a concave object side surface and a concave image side surface, the second lens has a positive focal power, a convex object side surface and a convex image side surface; and the second group consists of a third lens, a fourth lens, a fifth lens and a sixth lens from the object side to the image plane, the third lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens has a negative focal power, a concave object side surface and a concave image side surface, the fifth lens has a positive focal power, a convex object side surface and a convex image side surface, the sixth lens has a positive focal power, a convex object side surface and a concave image side surface, the fourth lens and the fifth lens form a cemented body, and the cemented body has a positive focal power.