The present invention relates to a portable proxabrush. When the portable proxabrush is not used but carried around, a cleaning solution tube remains sealed. Accordingly, the present invention is convenient to use and carry around, has a simple structure facilitating the manufacturing thereof, can be available for anyone at a low cost, and thus can maintain the dental health of people. The present invention includes the cleaning solution tube that can be easily carried around with a fluorine-containing cleaning solution accommodated in a sealed state, the cleaning solution tube being formed to allow a sealed assembly tip section to be cut when the present invention is used, and a brush main body where a brush is fixed, a suction hole is formed at the edge of the brush, and an assembly concave groove is formed in a bottom surface thereof for the assembly of the assembly tip section of the cleaning solution tube, in which the sealed assembly tip section of the cleaning solution tube is cut when the present invention is used so that the cut assembly tip section is inserted into the assembly concave groove in the bottom surface of the brush main body, the cleaning solution stored in the cleaning solution tube flows out through the suction hole of the brush main body, and the cleaning solution is supplied while the brush becomes wet.본 발명에 따른 휴대용 치간치솔은 사용하지 않고 휴대시에는 세정액튜브가 밀봉상태로 있게 되므로 휴대가 간편하게 되어 사용이 편리하고, 구조가 간단하게 되어 제조가 용이하고 제조가가 저렴하게 되어 누구나 사용할 수가 있게 되어 국민들의 치아건강을 유지시킬 수가 있는 우수한 효과가 있다.
