The present invention discloses a soft bag set for infusion, which has a soft bag and a sleeve, wherein the soft bag has a connecting portion extending from one end thereof, and a connecting needle is arranged at one end of the sleeve, and the connecting portion is provided. The connecting needles are screwed to each other. In this way, through the arrangement of the thread, the connection portion connecting the needle and the soft bag can be easily and quickly combined, and the soft bag is not damaged by excessive force, thereby improving the efficiency of replacing the soft bag.本創作揭露一種輸液用軟袋組,其具有一軟袋及一套管,其特徵在於:該軟袋一端係延伸形成有一連接部,而該套管一端係設有一連接針頭,且該連接部與該連接針頭係相互螺接。如此一來,透過螺紋之設置,就能讓連接針頭和軟袋之連接部較容易並快速結合,且不會因過度用力而讓軟袋受損,提升更換軟袋之效率。