The recurrence of condyloma acuminata is a problem for clinicians and patients. The reason why the disease is easy to recur, in addition to the clinicopathological characteristics of the disease, but also with the treatment program is not regular, treatment is not complete, can not effectively treat HPV subclinical infection and latent lesions. The new LEDALA-PDT treatment device is especially suitable for recurrent warts and for patients with large areas, warts and warts around the anus, and can treat large areas of multiple warts at once, effectively treating HPV subclinical infections and latent lesions, and significantly reducing the recurrence rate.