The utility model discloses a green fresh grain packaging bag. The packaging bag comprises an outer packaging bag (1) and an inner packaging bag, wherein the outer packaging bag (1) is made of a softsteel wire woven anti-cutting material; a metal zipper (3) is arranged at the top of the outer packaging bag (1); a pair of first handles (4) is arranged on the outer packaging bag (1); wherein the inner packaging bag is located in the outer packaging bag (1), the inner packaging bag is a sealed airtight polygonal bag body formed by hot pressing of a pair of packaging pieces (5) and is provided with a grain containing space, and each packaging piece (5) is formed by hot pressing of a first polyethylene film layer (8), a non-woven fabric layer (13) and a second polyethylene film layer (10) in sequence; the grain storage box has the advantages that grains stored by the grain storage box can be stored for a long time and are not easy to damp, mildew and insect. The outer packaging bag is suitable for long-line conveying of multiple transshipment, the inner packaging bag is effectively prevented from being damaged, and the outer packaging bag can be recycled.