[Fire needling stripping after local anesthesia for verruca vulgaris: a multi-center randomized controlled trial].

Objective: To compare the clinical therapeutic effect of fire needling stripping after local anesthesia, simple fire needling and liquid nitrogen cryotherapy on verruca vulgaris.

Methods: A total of 900 patients with verruca vulgaris were randomized into a fire needling stripping group (300 cases, 2 cases dropped off), a fire needling group (300 cases, 4 cases dropped off) and a liquid nitrogen cryotherapy group (300 cases, 5 cases dropped off). After local anesthesia of compound lidocaine cream, fire needling therapy was adopted, and the necrotic tissue of verruca was stripped in the fire needling stripping group.