Abstract:The mechanism of aging of blueberries was firstly introduced.Then the progress of blueberry preservation technology in recent years was reviewed from the perspectives of cryopreservation，controlled atmosphere preservation，physical preservation，chemical preservation，biological preservation and comprehensive preservation.At last，the changes of blueberries'freshness index were summarized and the preservation technology for the future blueberry were prospected，which provided a reference for further research in the future.