1 940年下半年由于国际形势剧变 ,日英美等大国从各自利益出发 ,积极拉蒋 ,苏联加大对华援助等 ,被蒋视为反共的有利国际条件 ,对皖南事变发生有一定影响 ,但不能构成因果关系 ;特别是苏联援华的动机和效果 ,更应客观全面地审视。应当看到苏联的援助对中国抗日战争的巨大支持 ,对蒋介石反共也起了一定的牵制和阻止作用。 In the second half of 1940, due to the drastic changes in the international situation, Japan, Britain, the United States and other big powers proceeded from their own respective interests and aggressively pulled Chiang and the Soviet Union stepped up assistance to China. Jiang was regarded as a favorable anti-communist international condition and had some influence on the occurrence of the Southern Anhui Incident. However, Can not constitute a causal link. In particular, the motives and effects of the Soviet aid to aid China should be more objectively and comprehensively examined. The great support of the Soviet Union for the anti-Japanese war in China should be seen. It also played a role as a containment and deterrent to Chiang Kai-shek’s anti-Communist opposition.