Wound healing has been his interest for more than 30 years. For research on basic science, the main work involved tissue repair and regeneration with chronic wounds. He led and joined a series of national and international research programs. As the pioneer, he initiated the first wound healing department in China and established the critical principle of diagnosis and treatment of chronic wound diseases, which has been gaining nationwide recognition. As the vice president of the Chinese Tissue Repair Society and secretary of the Asian Wound Care Association, he is well known as a clinical expert of a national and international reputation.