To provide a liquid container in which liquid has a reduced chance of becoming contaminated.

The liquid container comprises a container body 1 for forming a liquid storage space, and an instilling opening member 2 shaped so that a cap 3 can be fitted thereon and formed to distil a fixed amount of the medical liquid maintained in the interior of the instilling opening member, wherein the liquid container further comprises a sealing portion 5 for hermetically confining liquid in the interior of the container body 1, an unsealing member 6 for opening the sealing portion 5, and a check valve 4 provided at a portion closer to the liquid storage space than the sealing portion 5 and the unsealing member 6 for allowing the unsealing member 6 to open the sealing portion 5 when the instilling opening member 2 with the cap 3 screwed thereto is pushed toward the container body 1, and for preventing the liquid from flowing back to the interior of the container body 1. The unsealing member 6 pierces the sealing portion 5 from the instilling opening member 2 toward the container body 1.