Provided are a flexible and restorable container main body (1) for housing a medicinal solution a stopper member (4d 14d) fixed in the inside of a medicinal solution passage (P) communicated with the container main body (1) four discharging the medicinal solution when the container main body (1) is pressed and deformed a pressure valve (5) arranged in the medicinal solution passage (P) at a downstream side in the medicinal solution discharge direction further than the stopper member (4d 14d) being formed with an opening having a circular cross section which contacts the tip portion (4e 14e) of the stopper member (4d 14d) and a biasing member (7 7a) at a downstream side for biasing the pressure valve (5) in a direction opposite to the medicinal solution discharge direction by abutting against a peripheral portion (5b) of the opening of the pressure valve (5).
