The invention discloses a separated bathtub capable of lifting, and belongs to the technical field of household bath appliance; through the bathtub, people unable to move freely can take a bath. According to the technical scheme, the bathtub is of a separated structure which comprises a bathtub body and a bathtub base; the bathtub body and the bathtub base are firmly pressed and connected by virtue of a seal ring; and by virtue of a lifting rack, the bathtub body is lifted upwards and the bathtub body is placed down as a person enters onto the bathtub base, so that the integral bathtub is formed for bath. The separated bathtub disclosed by the invention can achieve accurate positioning when the bathtub body and the bathtub base are combined, and the separated bathtub can guarantee a good sealing property when the bathtub body and the bathtub base are combined. The lifting rack is used for lifting the bathtub body by virtue of a lifting screw and a lifting guide pillar, so that the bathtub body is stable in ascending and descending processes. The bathtub disclosed by the invention, as a creative product of the bath appliance, enables old people, disabled people and people inconvenient to move to be accessible to the bathtub and to take a bath therein, so that long-standing problems are solved and effective support is offered for assisting social vulnerable groups; therefore, the bathtub has good social benefits.