The product is made of five layers of co-extrusion blow moulding. It is mainly suitable for covering cultivation of North and Semi-high blueberries. The product has good mechanical properties, anti-aging, dripping, fog elimination, high light transmission, high heat preservation and other functions, and has a certain dust-proof function. The transparency of visible light and ultraviolet light is high, which makes the spectra through greenhouse film more suitable for blueberry growth. The use of blueberry special film is conducive to the synthesis of anthocyanins, and the fruit quality is good.