Dedusting pen brush

The invention relates to a dedusting pen brush and belongs to the technical field of cleaning devices. The dedusting pen brush comprises a brush holder and a brush head; wherein one end of the brush holder is provided with the brush head; the dedusting brush further comprises a through pipe, an air plate and air nozzles; the through pipe is arranged inside the brush holder, one end of the through pipe is connected with the air plate, and the air plate is provided with a plurality of air nozzles. The dedusting pen brush can supply air through an air blowing mechanism inside the pen brush, achieves the aim of cleaning, can thoroughly and efficiently clean the dust of crafts, can also clean dust sticking to the brush head due to dust cleaning, and avoids secondary pollution in re-cleaning.