 In 1941, she established the bi-monthly magazine "Modern Children" (新兒童), the only Chinese-language children's magazine in China and Hong Kong that was published during World War II.In "Letters to Big Sister Wan", a distinguished feature in the magazine, Huang, using the pen name Sister Wan (雲姐姐), corresponded with young readers.She encouraged them to study and helped them cope with life in wartime, when Hong Kong and much of China fell under Japanese occupation.