The utility model relates to a stiff aphid storing and releasing box. The packaging box comprises a box body and a box cover, first through holes are formed in the upper edge of the box body; a secondthrough hole corresponding to the first through hole is formed in the lower edge of the box cover; the first through hole and the second through hole are matched to form a ventilation hole and a beeoutlet hole; the side wall of the box body and the side wall of the lower edge of the box cover are provided with bulges for switching to form the vent holes and the bee outlet holes in a matching manner; the ventilation holes and the bee outlet holes can be switched by adjusting the hole diameter formed by the first through holes and the second through holes through buckling connection formed bythe protrusions of the ventilation holes and the bee outlet holes, ventilation in the box body can be facilitated, the oxygen content and the humidity can be kept, emerged adult bees can be preventedfrom escaping from the ventilation holes, and the problem that mummified aphids escape after emerging is solved.