The best store condition was investigated for the adult wasp of reared Bracon hebetor Say under the low temperature for 30 days. The periodical supplement of food could obviously increase survive rate of the adult wasps which stored under low temperature. Time of store under low temperature has strong influence on male adult wasps, which died entirely after storing more than 60 days under low temperature, and it had no effect on to growing of the future generation of the reared Bracon hebetor Say. none