The results of research indicated that there was a distinct influence to the percentage of Trichogramma parasitism,and there was a certain influence to percentage of wasp emergence,and there was not influence to percentage of female wasp emergence on the long and short time of storage of the Corcyra cephalonica eggs.It was not suitable to store the Corcyra cephalonica eggs in 4℃ for more than half a month.Trichogramma could hardly parasitize Corcyra cephalonica eggs in storage of more than fifty days.