Niki de Saint Phalle was one of the most popular French female artists in the twentieth century. Her creativity is spread across medium, including painting, sculptures, architecture, design, drama and many other disciplines. In 1965, Niki de Saint Phalle was inspired by a female friend of hers, she began to use voluptuous women as the ar chetype to create a series of work called “Nana,” and the series not only represent the reaction faced by the women in the 1960s towards gender inequalities, but encourage women of the era to pursue freedom. Her works have been collected by Metropolitan Museum of Art, New York; Tate Gallery, London; Louisiana Museum of Modern Art, Denmark, etc.