Telescopic sleeve body and dressing room with same and shower room with same

The invention discloses a telescopic sleeve body and a dressing room with same and a shower room with same. The telescopic sleeve body comprises telescopic units; the telescopic units are hollow annular structures with hexagonal radial sections; the upper and lower opposite side surfaces of the middle telescopic unit are correspondingly shared side surfaces of the upper and lower adjacent telescopic units; the telescopic sleeve body is constructed as a structure with internal and external layers of folding surfaces, which is formed by connecting the side surfaces at the upper and lower ends with the shared side surfaces; and the side surfaces at the upper and lower ends and the shared side surfaces are same annular surfaces. According to the dressing room disclosed by the embodiment of theinvention, as the dressing room is combined with a dressing mirror, the dressing room can be deformed, the space occupied by the dressing room becomes very small, more using space and vision space can be provided for sellers