 The film was produced by Sun Yu specifically for Li Lili to capitalize on her image and rising popularity.This film is another masterpiece written by Sun Yu after "Wild Rose" (1931) and "Little Toys" (1933) as part of the National Defense Cinema with anti-Japanese elements.While it was critically dubbed as a "hard film", Sun Yu, known as the "film poet", did not describe the battlefield of the Anti-Japanese frontally, instead he used the building of the Anti-Japanese War Road to express the spirit of the Anti-Japanese War in a "elegant and romantic" way.