The thinner coverage of soft tissue on the back of mid-foot and forefoot result in its easy to defect and exposure of tendon or bone underneath. This paper aggregate analysed current situation and problems of flap which exist in reparing skin and soft-tissue defect on the back of mid-foot and forefoot. Commonly used restorative procedure for skin and soft-tissue defect which injured in traffic accident or crushing including repairment with pedicled skin flap, sural neurocutaneous flap, or neurotaneous vascular flap, but there are different shortcomes in each method. Though the lower rotating potint nutrient vessels of sural nerve flap, neurotaneous vascular flap, dorsum neurocutaneous flap, and the lateral supramalleolar flap are the better method for repairing skin and soft-tissue defect on the back of mid-foot and forefoot, of which need to be further improved.Zhuang YH, Lin SQ.Theory and application of flap in reparing skin and soft-tissue defect on the back of mid-foot and forefoot.Zhongguo Zuzhi Gongcheng Yanjiu yu Linchuang Kangfu 2009;13(5):895-898 [http://www.crter.org http://en.zglckf.com]