The invention relates to an improvement of bagging pineapple fruit.Its main features are: left and right folding of single sheet paper,The width of the front side of the folded cover bag is smaller than that of the back side.The side of the front and rear bag surface forming the opening side is non-uniform.The upper edge of the folding back and the side of the opening are partially pasted with a paste part.Partial paste section method without paste,And a longitudinal cut-off line with a set length is respectively arranged at the upper and lower segments of the folding edge.And the lower longitudinal cutting line edge of the folding edge is glued and pasted into a tear resistant reinforcing part.And the center of the upper edge of the pineapple fruit bagging is provided with a central opening of the upper edge with a set width.The upper edge has inverted L-shaped ventilation vents at both ends.The two sides of the lower edge are provided with tear proof openings.In order to achieve rapid processing,Low cost,Good ventilation.Fruit set is convenient.Fruit bagging with excellent conservation efficiency.一種鳳梨果實套袋的改良，其主要特徵在於：以單張紙材左右對摺，並使對摺後的套袋前袋面寬度小於後袋面寬度，形成開口側邊的前後袋面側邊為非等齊設置，又於對摺後之上緣及開口側邊以粘貼部施以部分粘貼、部分不粘貼的粘貼區段方式，以及在摺邊上段及下段分別設置設定長度的縱向切斷線，並在該摺邊的下段縱向切斷線上緣以膠合粘貼成一防撕裂補強部，進而構成該鳳梨果實套袋的上緣中央具有一設定寬度的上緣中央開口，而上緣兩側端部具有倒L形通風透氣口，下緣兩側邊具有防撕裂開叉口，以達到加工迅速、成本低、通風透氣效果佳、果實套置便捷，保育效能優異的果實套袋。
