Waving a flower hand is a kind of dance action in ballroom dancing. Social dancing is a form of dance, which was very popular in discos in the early years and was sought after by many social youths, hence the name "social dancing". June 20 14, Meipai opened the # National Social Shake # area, and social shakes quickly swept the whole network. By June 20 14 and 13, the reading volume of # National Social Shake # in Weibo has exceeded1500,000. Because "social shake" became popular in the United States, it was called "MeipaiShake" abroad. Both Beijing Evening News and Modern Express reported the "social vacillation" that became popular from American photography.