Oral and maxillofacial tumors without timely and effective treatment can cause facial deformity and dysfunction, and even endanger life. Early detection and timely treatment is the key to cure. Our department has accumulated rich experience in surgical treatment of oral and maxillofacial tumors and other aspects. In particular, the use of various tissue flap transplants to repair defects left after tumor resection and other surgeries has provided a reliable guarantee of complete tumor removal and functional recovery. Among them, he has applied vascularized forearm flap, pectoralis major flap, rectus abdominis flap, anterolateral femoral flap, subchin insular flap, supraclavicular artery insular flap, peroneal muscle flap and iliac muscle flap to repair cavernous defects of the cheek, maxillary defects, mandibular defects, total or hemi-tongue defects, floor of mouth defects and facial defects in more than 300 cases with a success rate of over 95%. He has published more than 20 academic papers in professional journals at home and abroad, and has won 2 military science and technology progress awards.