The utility model provides a karma for aluminum alloy hull assembly, including movable support and the sign indicating number foot of living, the movable support that lives includes locating bearing,first piece and two at least seconds piece, the lower extreme of first piece is vertical install in locating bearing is last, the upper end of first piece is equipped with the sign indicating number foot, each second respectively horizontally connect in locating bearing is last, and each install anchor clamps on the second piece respectively, the tight regulation can be carried out according to the condition is nimble to the high and easy control deformation of this karma intensity, single unit system simple structure, and it is convenient to make.