To create a deep drawing tool for forming the bottom of a container, especially the bottom of a beverage can or an aerosol can which is composed of two parts.

The deep drawing tool 2 includes: a first tool portion 3 having a piston which is matched to a required inside shape of the can; a second tool portion 4 to which a dome member 12 and a ring-shaped downholder 14 belong, the downholder 14 being disposed coaxially with the dome member, being removably supported so as to be removable relative to the dome member 12 and being biased by pressing force; a lifter 23 which is arranged around the dome member 12; and a spring means 26 for supporting the lifter 23 while exerting elastic force on the lifter 23.