The invention discloses a pen holder comprising a sleeve and a body with one end being closed and the other end being pierced. The body is movably nested with the sleeve. The sleeve comprises a containing space. The voice control pen holder further comprises a voice control device mounted on the containing space of the pen holder and at least one luminous body driven by the voice control device. The pen holder is made of transparent glass. A cavity is formed between an outer tube and inner tube. The cavity is filled with liquid, and suspended matters are in the liquid. The luminous body controlled by the voice control device is arranged on the pen holder, so that at night, voice is made through clapping to make the pen holder lightening, the pen holder is found rapidly, and the luminous pen holder can serve as a lighting tool to be used. The liquid is stored in the cavity between the inner tube and the outer tube and the suspended matters are placed in the liquid, accordingly, the suspended matters can float in limit space, and the suspended matters serve as advertisement carriers so that the attention of people can be attracted specially. The sleeve is equivalent to a second body, divided into two parts, and can be used as two pen holders.