Liquid storage bottle

A liquid storage bottle comprising:

• a bottle main body;
• a nozzle which has an inlet through which a liquid stored in the bottle main body is injected;
• a cylindrical cap which is mountable on the nozzle to open or close the inlet;
• a slit valve which is provided in the inlet and includes a plurality of slits intersecting each other;
• and
• a sealing unit which seals the inlet when the cap is mounted on the nozzle,
• wherein the cap includes a protrusion which protrudes from a surface facing the inlet toward the slit valve when the cap is mounted on the nozzle, and
• wherein a tip portion of the protrusion faces the slit valve at a position separated in a radial direction of the nozzle from an intersection of the plurality of slits in a state where the inlet is sealed by the sealing unit.