A discharge cap for discharging a content liquid from a container body, comprising a cylinder assembly to be tightly secured to a mouth portion of the container body, said cylinder assembly comprising: a cap main body provided with a main discharge cylinder; at least one discharge cylinder body having a top wall, said top wall being provided with a tight-fitting cylinder piece that can be tightly fitted into the main discharge cylinder, and an auxiliary discharge cylinder which is in communication with the tight-fitting cylinder piece and smaller in diameter than the main discharge cylinder; and a lid body for opening or closing the auxiliary discharge cylinder; the discharge cylinder body being hinge-connected to the cap main body so as to allow a tight-fitting of the tight-fitting cylinder piece to the main discharge cylinder, and the lid body is hinge-connected to the discharge cylinder body so as to allow opening or closing of the auxiliary discharge cylinder; wherein said at least one discharge cylinder body comprises a single discharge cylinder body that includes a first hinge-connection between the discharge cylinder body and the cap main body, and a second hinge-connection between the discharge cylinder body and the lid body, said first and second hinge connections (24, 25) being arranged on opposite sides to each other; and characterised in that the discharge cap further comprising a retention portion provided between the lid body, on one hand, and the cap body and the discharge cylinder body, on the other hand, for maintaining an open posture of the lid body, and in that said main discharge cylinder has an enlarged opening and a downwardly projecting supsension mouthpiece and in that said tight-fitting cylinder piece has a length that is determined so that, in an assembled state of the cap main body and the discharge cylinder body, a lower end of the suspension mouthpiece is situated at a position below a lower end of the tight-fitting cylinder piece and in that the outer diameter of the tight-fitting cylinder piece is equal to, or slightly smaller than the inner diameter of the suspension mouth piece. a cap main body provided with a main discharge cylinder; at least one discharge cylinder body having a top wall, said top wall being provided with a tight-fitting cylinder piece that can be tightly fitted into the main discharge cylinder, and an auxiliary discharge cylinder which is in communication with the tight-fitting cylinder piece and smaller in diameter than the main discharge cylinder; and a lid body for opening or closing the auxiliary discharge cylinder; the discharge cylinder body being hinge-connected to the cap main body so as to allow a tight-fitting of the tight-fitting cylinder piece to the main discharge cylinder, and the lid body is hinge-connected to the discharge cylinder body so as to allow opening or closing of the auxiliary discharge cylinder; wherein said at least one discharge cylinder body comprises a single discharge cylinder body that includes a first hinge-connection between the discharge cylinder body and the cap main body, and a second hinge-connection between the discharge cylinder body and the lid body, said first and second hinge connections (24, 25) being arranged on opposite sides to each other; and characterised in that the discharge cap further comprising a retention portion provided between the lid body, on one hand, and the cap body and the discharge cylinder body, on the other hand, for maintaining an open posture of the lid body, and in that said main discharge cylinder has an enlarged opening and a downwardly projecting supsension mouthpiece and in that said tight-fitting cylinder piece has a length that is determined so that, in an assembled state of the cap main body and the discharge cylinder body, a lower end of the suspension mouthpiece is situated at a position below a lower end of the tight-fitting cylinder piece and in that the outer diameter of the tight-fitting cylinder piece is equal to, or slightly smaller than the inner diameter of the suspension mouth piece.