The Flame of Love (US title), also known as The Road to Dishonour (UK title) and Hai-Tang, is a 1930 British drama film, a love story between an Imperial Russian army officer and a Chinese actress. Directed by Richard Eichberg and Walter Summers, it stars Anna May Wong and John Longden. It was made at Elstree Studios by British International Pictures. The film's art directors were Clarence Elder (as C. Elder), Willi Herrmann (as W. A. Hermann), and Werner Schlichting (uncredited).

It was Eichberg's and Wong's first sound film together and their third film together after Song (Schmutziges Geld) (1928) and Pavement Butterfly (Großstadtschmetterling) (1929).