Present invention related an assistant device for drinking a juice contented in fruit. The device includes a tube having an opening end and an inserting end, the inserting end can plug into a shell of a fruit, a film disposed on the opening end and sealing the opening end, the film is easily break through let a straw pipe inserts to the tube. The assistant device provided on the shell of the fruit in advanced then delivery to the sale point for sell. And the consumer can easily break through the film and plugging a straw into the shell to suck in the juice contained in the shell.本發明提供一種果汁吸食輔助裝置,其包括:一插入管,插入管的兩端分別具有一插入端及一開口端且中央具有一穿孔,插入管的開口端外側設有一凸緣,且插入端能夠插入到一有殼水果的一殼體內;及一密封膜,係設置於開口端,將所述開口端封閉起來,所述密封膜為易於被破壞的薄膜。本發明的果汁吸食輔助裝置預先裝置於水果的殼體上,然後再運送至銷售點進行銷售,且當消費者購買所述有殼水果後,可輕易地刺破所述密封膜,將吸管插入到所述有殼水果的殼體內,而方便地吸取或飲用殼體內所盛裝的果汁。10‧‧‧插入管11‧‧‧插入端12‧‧‧開口端13‧‧‧穿孔14‧‧‧凸緣15‧‧‧黏合劑20‧‧‧密封膜40‧‧‧殼體41‧‧‧果汁50‧‧‧吸管