Abstract: A vessel for containing liquid comprises a container (41) for containing liquid (40), a gripping portion (42) which is separated from one side of the container and extended upward, having an air intake portion (43) on the top of the gripping portion, wherein air flowing via the air intake portion passes through the gripping portion and communicates with the container, and a neck portion (44) which is separated from the other side of the container and extended upward, having a liquid discharge portion (45) at the top of the neck portion for discharging liquid from the container, wherein the neck portion extends through the bottom of the air intake portion in the gripping portion and protrudes into the air intake portion. A cap (46) having a hinge structure is provided so as to be capable of simultaneously covering the air intake portion and the liquid discharge portion.