监狱是国家的刑罚执行机关。我国《监狱法》规定，被判处死刑缓期 ２年执行、无期徒刑、有期徒刑的罪犯，在监狱内执行刑罚。可以看出，在刑罚执行过程中，刑罚执行的主体是特定的国家专政机关（以监狱为主，也涉及公安机关、人民检察院、人民法院），执行的对象是犯罪人的特定 Prisons are the penal institutions in the country. China’s “Prisons Law” stipulates that prisoners who have been sentenced to 2 years’ suspended execution of suspended death sentences, life imprisonment and fixed-term imprisonment shall be sentenced to prison penalties. It can be seen that during the execution of the penalty, the main body of the execution of the penalty is a specific state dictatorship organ (mainly prisons, public security organs, people’s procuratorates and people’s courts), and the targets of execution are the specific