'This bookl refers to a great historical period, in many respects: politics, society, language, literature, journalism, art. The author explained why it was necessary to reform women's clothing in 1934. In the early spring of 1935, in the No. 1 issue of Today's newspaper, Thach Lam wrote: "Material is often in the spirit; is necessary and must precede the change in women's character and ideology ". The result of this reform is the birth of the modern Ao Dai Lemur designed by artist Cat Tuong who has been successful in Vietnam and throughout Indochina.