A pump container comprising a container body, discharging pump and a movable bottom part, configured so as to prevent air from being taken into the container body by allowing, when contents are discharged by pumping operation, the bottom part to move upward by the volume of the contents discharged by pumping operation, wherein the pump container comprises a main container and an auxiliary container separated from the main container by a separating mechanism, and through operation, the separating mechanism allows the constitution of a communication between the main container and the auxiliary container to allow mixing of the contents of the both containers.