崔国因是清廷派驻美国的第四任公使。在国势孱弱、美国朝野排华极盛的困难情况下,他几度交涉美国排华法案,抗议美国政府对中国侨民的歧视,维护华侨的合法权益;力阻具有强烈排华倾向的参议员布莱尔担任驻华公使;主张在美的中国侨民落地生根,加入美国国籍。 Cui Guoyin is the fourth minister of the Qing government stationed in the United States. In the difficult situation of the weakening of the national front and the extremely prosperous Chinese and opposition foreign governments, he made several representations to the U.S. Exclusion Act to protest the U.S. government’s discrimination against Chinese nationals and safeguard the legitimate rights and interests of overseas Chinese. He urged the Senator Blair As a Chinese minister, advocating that Chinese expatriates in the United States take root and join the U.S. citizenship.