Packaging box for silicon parts

The utility model provides a packaging box for a silicon component, which comprises a packaging box body, bottom cotton which is arranged on the packaging box body and is used for placing the silicon component, and an open slot which is arranged on the bottom cotton and is used for accommodating the silicon component when the silicon component is placed on the bottom cotton so as to limit the moving space of the silicon component on the bottom cotton, the matching ring is detachably arranged on the bottom cotton, located in the open groove and used for reducing the silicon component containing space when the matching ring is placed on the bottom cotton and located in the open groove and restoring the silicon component containing space of the open groove when the matching ring is taken out so that silicon components of different sizes and specifications can be placed. The matching ring is placed on the bottom cotton and located in the open groove so that the silicon component containing space can be reduced, t