Portable respiratory training device with double-prompt function

The utility model discloses a portable respiratory training device with a double-prompt function. The device comprises a box body, a flip cover, a sliding rail, a sliding sleeve, a first supporting rod, a second supporting rod and balloons, the box body and one end of the flip cover are rotationally opened through a first rotating shaft; the other end can be closed through a buckle; wherein a sliding rail is arranged in the box body, the first supporting rod is fixed to the sliding sleeve, the second supporting rod is fixed to the sliding rail, the first supporting rod and the second supporting rod are matched to support the balloons in parallel, the sliding sleeve can slide along the sliding rail, scales are arranged on the side faces of the box body and the flip cover, and a red indicator lamp, a yellow indicator lamp and a green lamp indicator lamp are arranged on the flip cover. The portable respiratory training device is convenient to carry and easy to store, the parallel slidingdistance and the height c