一、大量搜集中国情报19世纪中叶,日本开始向外侵略和扩张。为了配合对外侵略,19世纪60年代初期,日本对华情报工作,主要是搜集中国东北、华北以及山东半岛的地形、气候、物产、军备及风俗习惯等情况。到了1871年3月,天皇参议江藤新平提出“对外政策意见书”后,日本政府派出情报 First, massively gathering Chinese intelligence In the middle of the 19th century, Japan began to aggressively expand and expand outward. In order to cooperate with foreign aggression, Japan’s intelligence work on China in the early 1960s focused mainly on the topography, climate, property, armament and customs of Northeast China, North China and Shandong Peninsula. By March 1871, after the emperor Senate, Eto Shozo, put forward his “Foreign Policy Opinion,” the Japanese government sent out intelligence