BACKGROUND: Remaining wound surface in late stage isoften found in patients with big area of deep b and infection iscomplicated in most cases. There are many causes for remainingwound surface, but local repeated infection is one of the importantreasons. Once infection occurred at wound surface, growth of ep-ithelial cells will be influenced seriously because of large amount ofbacteria and products of metabolism and effect of skin graft isn tsatisfying. So, an effective method must be adopted to replace skingraft and promote healing of wound surface. Fuchunsan I effectivelyresolved this problem