自首是我国的一项重要刑事司法制度,我国《刑法》和最高人民法院的司法解释对如何认定自首做了详细的规定,成立自首应该符合两个方面的条件:一是主动投案,二是如实供述。但是,由于具体案件情况纷繁复杂,刑法条文和司法解释不可能囊括所有的情况。因此,司法实践中关于自首的认定仍存在一 To surrender is an important criminal justice system in our country. The criminal law of our country and the judicial interpretation of the Supreme People’s Court have stipulated in detail how to surrender. The establishment of surrender should accord with two conditions: first, surrender oneself and second, truthfully Confession. However, due to the complicated situation in specific cases, the criminal law provisions and judicial interpretation can not cover all the circumstances. Therefore, judicature still exists in judicial practice