Abstract: An irregular aluminum cup sequentially comprises from bottom to mouth: a cylinder cup bottom (1), a cup body with printing patterns on an exterior surface thereof and having one or more concave body parts (2) and one or more convex body parts (3), with the concave body parts and convex body parts alternately arranged; and a cup mouth (4) having an edge (5) curled outwardly and towards the cup body arranged at the top of the mouth; the cup bottom, the cup body and the cup mouth are of an integral structure. A method is provided for manufacturing the above irregular aluminum cup. The irregular aluminum cup can have various shapes and maintain the design printing.