The invention discloses an optical imaging camera lens. The camera lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens in sequence from the object side to the image side along the optical axis. The first lens has positive focal power, and the object side is the convex side; the second lens has negative focal power;the second lens has positive focal power; the fourth lens has positive focal power or negative focal power, the object side is the concave side, and the image side is the convex side; the fifth lens has positive focal power or negative focal power; the sixth lens has positive focal power or negative focal power, and the object side is the convex side; the seventh lens has positive focal power or negative focal power; the eighth lens has negative focal power.