吕海寰曾在甲午战争、日俄战争和英军侵藏等关键时刻,积极参与有关国防的各种活动,针对时局世变与各种具体问题,提出了一系列客观见解和切实可行的办法,体现出强烈的爱国情怀。这样一位在中国近代史上起过重要作用的历史人物一直未能得到学界的重视,这是不应该的。 Lv Haiyuan has actively participated in various activities related to national defense at key moments such as the Sino-Japanese War, the Russo-Japanese War and the invasion and occupation of the British Army. In response to the current situation and various specific issues, Lu Haiyuan put forward a series of objective opinions and practical measures, Reflects a strong patriotic feelings. Such a historical figure who played an important role in the modern history of China has not been able to receive the attention of the academic circles and this should not be done.