Abstract: Objective and MethodAksu Jujub fruits were treated with A,B,chitosan,1-MCP,2,4-D before it was placed in plastic film bags and stored at -1℃.ResultThe results showed that this treatment of A+2,4-D could delay the decrease of Aksu Jujub fruit firmness ,titrable acidity content and total sugar content,postpone the degradation of Vitamin C in fruit,slow down the increase of relative electrical conductivity,keep the fruit to be lower change of red fruit rate during the storage,keep the quality of the Aksu Jujub better,delay its senescence.ConclusionThis treatment of chitosan + B could keep the lower fragility rate and fruit rotten,and rotten rate fruit rate was only 0.19; after 108 days's storge,control the disease of the postharvest Aksu Jujub during storage.