Although nail trephination with heated paper clip for subungual hematoma is not a new method, yet it was not well known so it should be further emphasized and popularized.

• 虽然利用烧红的迴纹针来做指甲穿洞引流术治疗指甲下血肿并不是一种新的方法，但仍鲜为人知，故它需要加强宣导让更多的人可以好好利用此方法来急救病人。