Abstract: Blueberry has been popular to the consumer attributed to its nutrition and recognized as the one of the top five healthy foods. Blueberries are perishable for being picked mostly in the season with high temperature and humidity owing to vigorous postharvest metabolism, which limits the development of blueberry industry. Coating preservation have excellent development prospects in blueberry storage due to its easiness to control, high efficiency and good safety. This paper gave a general and detailed overview on the application of blueberry film preservation,containing the theory of coating, the type and applications of coating on blueberry. In addition, it provides a theoretical basis for the application of film preservation in blueberry.