刑事扣押是指司法机关为了收集和保全证据而对与犯罪有关的物品和文件依照法定的程序和权限予以扣留、提取、封存等而进行的刑事诉讼活动。刑事扣押行为作为一种带有强制性行为,应该从程序上进行完善,使其更具正当性,并通过有效的救济机制,保障被扣押人的合法权益。 Criminal seizure refers to the judicial proceedings carried out by the judiciary for the collection and preservation of evidence of criminal activities such as the detainment, withdrawal and storage of criminal related articles and documents in accordance with the statutory procedures and authorities. As a kind of compulsory conduct, criminal seizure should be perfected procedurally so as to make it more legitimate and protect the lawful rights and interests of seized persons through effective relief mechanism.