An injector storage device comprises a box body, a box cover, a partition plate, a slipping guide component and a separating and taking-out mechanism. A storage cavity is formed in the portion, located above the partition plate, in a cavity of the box body, and a discharge port of the storage cavity is formed by the gap between the rear edge of the partition plate and the rear side wall of the box body; a slipping channel is formed in the slipping guide component, and the upper end of the slipping channel is communicated with the storage cavity; the separating and taking-out mechanism comprises a guide sleeve, a guide rod, a pressing plate, a limiting wallboard, a layer board and an inserting plate, the guide sleeve is arranged on the front side wall of the box body, the guide rod is located in the guide sleeve, the limiting wallboard is connected with the rear end of the guide rod, the layer board and the inserting plate are connected with the limiting wallboard, the rear of the layer board is located below the slipping guide component, a material falling opening is formed in the front of the layer board, the inserting plate is located over the material falling opening, a gap is formed between the inserting plate and the layer board, and an inserting opening is formed in the front side of a vertical slipping section of the slipping channel. The injector storage device can store injectors, the injectors can be taken out one by one conveniently when needed, and it can be avoided that the injectors are expired.