The invention relates to a bathing assistant intelligent robot for weak people. The bathing assistant intelligent robot for the weak people comprises a driving assembly, a supporting bracket assembly,a rotating seat assembly and a PLC system. The problem that traditional bathing for weak people is assisted by many people is solved, and only one person is required to help to complete the bathing for the weak people. The rotating seat assembly enables the weak people to adjust the bathing angle at any time, the supporting bracket assembly is located under armpits of the weak people and can replace auxiliary personnel to carry out supporting, and the adjustment of the position and spacing, in the vertical direction, of the rotating seat assembly and the supporting bracket assembly can be adjusted at any time; and the weak people can be assisted to complete the operation of sitting, standing and rotating washing, the functions of bathing supporting, posture adjustment and posture adaptation are achieved, the nursing intensity and labor costs can be effectively reduced, and the quality of nursing is improved at the same time, so that the weak people enjoy comfortable, free and relatively independent bathing environment with the assistance of a single person, and broad application prospects are achieved.