通过比较中外刑法理论对预备犯的刑事责任依据的不同见解,分析了预备犯刑事责任的理论依据、刑事政策依据和法律依据,认为预备犯的刑事责任依据主要在于行为的社会危险性、国家的刑事政策、构成要件的独立性和从属性。 By comparing the different opinions on the basis of criminal liability of preparatory criminal between Chinese and foreign criminal law theories, the author analyzes the theoretical basis, criminal policy basis and legal basis of preparatory criminal criminal responsibility. The criminal responsibility basis of preparatory criminal is mainly the social danger of behavior, Criminal policy constitutes the independence and subordination of elements.