When the venous ulcer is treated, the insufficiency of every venous system must be corrected at the same time, especially in the insufficiency of perforating venous system.

This article reviewed the important advances on the two techniques of NPWT: vacuum sealing drainage and vacuum-assisted closure in treating press ulcers, leg ulcers and acute wounds.

To evaluate the role of endoscope in the treatment of chronic venous ulcer in the lower limb.