Later, Li proposed the slogan "Defend the Motherland, Recover Taiwan," and organized Taiwanese scattered all over the mainland into a Taiwanese volunteer force. He gave free medical treatment to poor civilians, soldiers and their families, and while doing so got to know a young woman from Hangzhou who had also joined the struggle against the Japanese--Yen Hsiu-feng.
之後李友邦提出「保衛祖國、光復台灣」口號，召集散居在大陸的台灣同胞組成台灣義勇隊，免費為貧苦民眾、軍人及家屬治病，因而結識了同樣投身抗日工作的杭州姑娘嚴秀峰。