There is provided a novel open/close mechanism of a lid with which a tank and an atomization unit are partitioned. There is provided a flavor inhaler cartridge. This flavor inhaler cartridge includes a housing, a movable lid member, an aerosol flow passage, a turning member, and a motion conversion mechanism. The housing includes a reservoir space to house a liquid and an atomizing space to atomize the liquid. With the movable lid member, the reservoir space and the atomizing space are openably/closably partitioned. The aerosol flow passage supplies an aerosol generated by the atomization of the liquid from the atomizing space to outside of the housing. The turning member is circumferentially turnable around an axis parallel to a moving direction of the lid member. The motion conversion mechanism converts the circumferential turning motion of the turning member into an axial linear motion of the lid member. The lid member is directly or indirectly fixed to the motion conversion mechanism. The motion conversion mechanism is configured such that circumferentially turning the turning member moves the lid member in a direction of approaching the turning member and communicates between the reservoir space and the atomizing space.
