“党内合作”是马林在片面地分析了国共两党状况，机械地搬照他在印尼从事革命统一战线工作的经验之后提出来的；共产国际在过低地估计了共产党的力量，过高地估计了国民党力量的情况下，为了早日实现其关于中国革命的策略，援助苏俄革命而接受了马林的建议；中共中央一开始是为了尊重共产国际纪律而接受了“党内合作”，后来在共产国际右倾思想影响下，中共中央思想发生了转变，自觉地执行了“党内合作”决议；“党内合作”方式给双方带来了更多的纠纷，是不利于合作的，特别是它使中共难于保持自己的独立性，进而实现对统一战线的领导权 “Intra-Party cooperation” was put forward by Marin after a one-sided analysis of the state of the Kuomintang and the Communist Party and the mechanical removal of his experience of working in the revolutionary united front in Indonesia. The Communist International has underestimated the power of the Communist Party. Under the circumstances of the Kuomintang forces being estimated, Marin’s proposal was accepted in the hope of realizing its strategy on the Chinese revolution at an early date and assisting the Soviet revolution. At the outset, the CPC Central Committee accepted “intra-Party cooperation” in order to respect the Comintern discipline and later Under the influence of the right-leaning ideology of the Communist International, the CPC Central Committee’s thinking changed and it consciously implemented the resolution of “intra-party cooperation.” The “intra-party cooperation” has brought more disputes to both sides and is unfavorable to cooperation. In particular, It makes it difficult for the CCP to maintain its independence and lead to the leadership of the united front