运用历史唯物主义观点 ,以大量确凿的史料 ,实事求是地分析了《一、二六指示信》和《六、三指示信》,指出应当把它和当时东北抗日的实际 ,以及在各地贯彻执行的情况 ,结合起来加以研究 ,论述了由于这两封信的贯彻落实 ,才推动了南满地区抗日统一战线方针的贯彻和抗日斗争形势的发展。 Using the viewpoints of historical materialism and a large amount of conclusive historical data, I analyzed the “one and two six directives” and the “six and three directives” in a down-to-earth manner and pointed out that this should be based on the reality of the anti-japanese war in Northeast China and the implementation of It is discussed that due to the implementation of these two letters, it has promoted the implementation of the guideline of the Anti-Japanese War in South Manchuria and the development of the anti-Japanese struggle.