This creates a kind of breast milk bag, and it includes a connectors, has a through-hole and penetrator, and separately with lid closing through-hole with the connector side is equipped with a linking part； An and sack, it is with an accommodation groove and the accommodation groove has an opening portion, the linking part of opening portion set what connector, it is provided with an engaging portion group in the opening portion and connects the linking part, one sealing clip chain is separately set in the opening portion, and the connector and the opening portion are from the sealing clip chain seals the opening portion. 本創作一種母乳袋，其包含：一接頭，其具有一通孔並貫穿接頭，且另以一蓋體封閉通孔與，該接頭周側設有一連結部；及一袋子，其具有一容置槽且該容置槽具有一開口部，該開口部套於接頭的連結部，該開口部內設置有一結合部組接該連結部，該開口部內另設置一密封夾鍊，而該接頭與該開口部分離，該密封夾鍊密封該開口部。
