随着计算机技术的广泛应用，利用计算机进行犯罪的案件也不断增多。针对计算机进行调查取证已成为公安机关的一项重要工作。在取证过程中，公安机关利用高科技的数据恢复技术查找出被隐藏的犯罪证据，为破获计算机犯罪案件提供有力的技术保障。“,”With the wide application of computer technology,the use of computer crime cases are also increasing.The investigation and evidence collection has become an important work of the public security organs.In the process of obtaining evidence,the public security organs to use high-tech data recovery technology to find out the hidden evidence of crime,to provide strong technical support for the cracked computer crime cases.