A tattoo chair, comprises a backrest (1), a seat (2), a brace (3) for supporting the said seat (2), and a base (4) for allowing the chair to stand stably, characterized in that: the lower end of the said backrest (1) is rotatablely attached to the inner side of the said seat (2); a supporting fixed plate (5) is provided under the bottom surface of the said seat (2); at least one fixed gear rack (10) is mounted from top to bottom on the rear surface of the said backrest (1); a supporting rod (50) is provided on the said supporting fixed plate (5); one end of the said supporting rod (50) is rotatablely attached to the said supporting fixed plate (5), and the other end is put into one of grooves of the said gear rack (10) on the rear surface of the said backrest (1). The present utility model facilitates the person to be tattooed to adopt different poses, so that the tattoo artist can work more easily; further, when getting tattooed, the person will feel free and easy from any discomfort in the various poses.