深入开展对日军的调查研究《孙子兵法》曰:“知己知彼,百战不殆。”古今中外的军队都把了解敌情作为克敌制胜的第一要务。新四军《敌军政治工作纲要》规定:要加强对日军的调查,各部队对当前与之作战的日军内部的政治状况,如兵种、士兵的生活、作战情绪、内部矛盾等,都要加强调 In-depth investigation and study of the Japanese army, “Art of War,” said: “Know thyself, know yourself.” “Both the Chinese and foreign armed forces at all times and in all places regard understanding the enemy’s enemy as the most important task to defeat the enemy. The New Fourth Army ”Outline for the Political Work of the Enemy" stipulates: To strengthen the investigation of the Japanese army, all forces should step up their efforts in handling the current political conditions within the Japanese military such as arms and soldiers, combat sentiments and internal conflicts, etc.