The invention relates to an improvement of bagging pineapple fruit.The system comprises: a first paper layer and a second paper layer.The first paper layer has the same width as the second paper layer.And the length of the first paper layer is slightly larger than that of the second paper layer.And two adhesive parts are arranged on the two sides of the edge and the top.It is used to glue and synthesize a bag.The two adhesive parts are arranged along the edge of both sides.It is slightly shorter than the length of the second paper layer.It can form an opening at the bottom of the bag.A fork is formed at the bottom edge of both sides.And a space is reserved between the two adhesive parts in the horizontal section at the top.To form an upper opening on the top of the bag body,It's easy to make.Low cost,It's strong and durable.Pineapple fruit bagging can effectively protect the normal growth of pineapple fruit.一種鳳梨果實套袋之改良，係包含：一第一紙層及一第二紙層，該第一紙層與第二紙層係具相同之寬度，且第一紙層之長度係略大於第二紙層，並於其間之兩側邊緣與頂端相向對應設有兩黏著部，用以黏合成一袋體，該兩黏著部沿兩側邊緣而設之段落，係稍短於第二紙層之長度，可供於袋體底部形成一下開口，並於兩側底緣各自形成一開叉口，又該兩黏著部位在頂端之水平段落間預留有一間距，以供於袋體頂部形成一上開口，而成一製作至為簡易、成本低，且堅固耐用，可有效保育鳳梨果實正常成長之鳳梨果實套袋改良。
