Surgical instrument box with self-checking function

The utility model discloses a surgical instrument box with a self-checking function. The device comprises a box body, the top of the box body is a frame capable of sliding up and down; a clamping structure is arranged between the frame and the box body; a cover body is arranged at the top of the frame; a containing box is arranged on the upper portion of the inner side of the box body in a vertically-sliding mode. A limiting block is arranged on the outer side of the accommodating box; a first limiting groove matched with the limiting block is formed in the box body; a support plate capable ofsliding up and down is arranged at the lower part of the inner side of the box body; a compression spring is arranged at the bottom of the supporting plate, a weighing device is installed on the supporting plate, a gap is formed between the top of the weighing device and the bottom of the containing box, a limiting rod is arranged in the box body in an up-down movable mode, the top of the limiting rod abuts against the b