The application discloses a
medicine bag opening device, which is suitable for a
medicine bag comprising at least a
medicine bag part, a liquid outlet part and a sealing part. The medicine bag opening device comprises a main body with a containing part containing the medicine bag; a door provided on one side of the main body of the medicine bag opening device, with a mounting part mounting the medicine bag; a medicine bag opening part with a
cutting knife, which is located inside the main body, directly opposite to the liquid outlet part of the medicine bag when the door is closed, and can
cut the liquid outlet part; and a medicine bag located on the lower side of the main body, with a liquid inlet end located on the lower side of the medicine bag opening part. After the medicine bag is mounted, the door is closed, and the medicine bag is
cut, so that the liquid medicine can directly enter the medicine bag, which can conveniently and reliably open the medicine bag mounted in the atomizing cup / atomizer, and can effectively avoid the liquid medicine
pollution or spatter caused by opening the medicine bag outside the atomizing cup / atomizer.