The present invention relates to a method for manufacturing a double chamber container (100) comprising a dried medicine housing chamber (61) and a medical fluid housing chamber (62) which are separated by a weakly sealing part (30) the method comprising the steps of: preparing a first sheet forming member (10) including a first dried medicine housing chamber forming part (11) and a first medical fluid housing chamber forming part (12) which each have one side thereof (11A 12A) bonded to each other and a second sheet forming member (20) including a second dried medicine housing chamber forming part (21) and a second medical fluid housing chamber forming part (22) which each have one side thereof (21A 22A) bonded to each other and forming the dried medicine housing chamber (61) and the medical fluid housing chamber (62) by bonding the first sheet forming member (10) and the second sheet forming member (20). The weakly sealing part (30) is formed by bonding one side (12A) of the first medical fluid housing chamber forming part (12) and one side (22A) of the second medical fluid housing chamber forming part (22).
