[Superiority of thread-dragging therapy in treatment of refractory sinus tracts or fistulae].

The thread-dragging therapy, as a new external treatment of traditional Chinese medicine, could eliminate pathogenic factors and restore the vital qi by promoting qi and activating blood circulation to advance tissue repair in treating refractory sinus tracts or fistulae. This article reviewed its origin and development, and introduced its use in treating refractory sinus tracts or fistulae.