Abstract：With the development of high and new technology，precision-guided weapon has become main weapon in modern wars，therefore the research on the effect of local damage by conventional weapons and the countermeasure have become important in protective engineering. Spallation belongs to local damage. There are still not many research articles in this field in our country. In this paper，the theoretical and experimental research results both at home and abroad are analyzed and summed up. The future research direction and protection technique are discussed.
