一、异议的合法性及其概念在公诉庭审中提出异议，较早出现于国外的诉讼法和司法实践中。如英美法律中规定“可知不适格之证人或不能允许之证提出时，相对人应即提出异议”。①日本诉讼法309条规定：“检察官，被告人或辩护人关于证据调查得以声明异议”。①其他一些国家的诉讼 First, the legitimacy of objections and their concepts in the prosecution trial raised objections, earlier appeared in the foreign litigation law and judicial practice. Such as Anglo-American law provides that “unidentifiable witnesses or can not be allowed to make evidence, the relative should immediately challenge.” (1) Article 309 of the Japanese Code of Procedures states: “Prosecutors, defendants or defenders may object to the investigation of evidence.” ① litigation in some other countries