The utility model proposes a kind of sterilization bag for medical applications comprising: a bag body, a heat seal and the breathable film of opening are taken out with instrument merging opening and an instrument； Wherein, which sets to take out opening around the instrument on the top surface of the what bag body, and the breathable film is pasted to the top surface of the bag body through the heat seal, covers the instrument with what and takes out opening. According to the design of the utility model, the heat seal is made of one first long side section, one second long side section, first side section and second side section. It is designed in this way, a distance is reserved between the breathable film and the second long side section, is protruded into sharp what user finger and the breathable film is torn off into the bag body.本新型提出一種醫用滅菌袋，其包括：具有一器械置入開口和一器械取出開口的一袋體、一熱封件、以及一透氣膜片；其中，該熱封件設於該袋體的頂部表面之上以圍繞該器械取出開口，且該透氣膜片透過該熱封件而貼附至該袋體的頂部表面，用於覆蓋該器械取出開口。依據本新型之設計，所述熱封件由一第一長邊段、一第二長邊段、一第一側邊段、以及一第二側邊段組成。如此設計，所述透氣膜片與第二長邊段之間預留一段距離，以利於使用者手指伸入將該透氣膜片撕離該袋體。
