华侨对抗日战争的贡献，主要有如下几个方面：1、谴责侵略，争取外援、“九·一八”事变发生后，陈嘉庚就致电国际联盟和美国总统，要求履行国际条约义务，制止侵略，维护和平。抗日战争全面爆发后，“南洋华侨筹赈祖国难民总会”（简称“南侨总会’句和其他地区的华侨抗日救亡 The contributions made by overseas Chinese to the war of resistance against Japan include the following aspects: 1. Condemning aggression and obtaining foreign aid; after the September 18 Incident, Tan Kah-Gung called the League of Nations and the U.S. President to fulfill their obligations under international treaties and stop the aggression. Maintain peace. After the anti-Japanese war broke out in full swing, the “Nanyang Overseas Chinese Mobilize and Relieve the Migrants’ Homeland” (referred to as “the South Overseas Chinese Association” and other areas overseas Chinese anti-Japanese national salvation