罪犯分类是矫正改造的基础。同一罪名,同一刑期的罪犯之间个体差异会很大。如果不具体分析每一名罪犯的情况,如文化程度、家庭情况、犯罪历史、犯罪年龄、身体状况等,仅仅按照罪名或者刑期进行大一统的划分,那么势必会影响矫正效果,在一定程度上造成押犯恶习的交叉或纵向感染,严重者甚至会影响监管安全。在关押前,监狱应分析出哪些服刑人员有可能在服刑期 Offender classification is the basis of corrective and transformation. The same charge, the same punishment of individual differences between criminals will be great. Without a detailed analysis of each criminals’ situation, such as their educational level, family situation, criminal history, criminal age, physical condition, etc., the mere unification of criminal charges or sentence terms will definitely affect the correction effect. To a certain extent, Crosstalk or longitudinal infection that causes abuse of custody, which can even affect regulatory safety. Before being detained, the prison should analyze which prisoners are likely to serve their sentences