The utility model provides a portable electronic piano, which is characterized in that the piano body is of an arc shape corresponding to the waist shape of human body; and the internal side of the arc shape of the piano body is fixedly provided with a bracket which consists of a belt. Therefore, the electronic piano can be conveniently tied on the waist, thus being played everywhere at any times. The portable electronic piano has the beneficial effects that the electronic piano is convenient for use and carrying, can be played everywhere at any times, greatly increases the amusement, improves the utilization ratio and is suitable for being carried about for piano learning of students and playing of actors.