The reason why the disease is prone to recurrence, in addition to the clinicopathological characteristics of the disease, is mainly related to the irregular treatment plan, 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 condyloma and the large area of warts and warts around the anus, and can treat large areas of multiple condyloma at once, effectively treating HPV subclinical infection and latent lesions, significantly reducing the recurrence rate.