Abstract: A cup having an integrated straw is provided. The cup has a mold release surface at a liquid outlet portion, in the injection molding process, a male mold of an accommodating room can be directly removed from the mold release surface to form the liquid outlet portion. A cup body is integrally formed with a straw body, which can easily achieve injection molding release. When the cup body is filled with a solid or liquid beverage, the user can suck the beverage through a top opening portion of the straw body.