White day is a continuation of Western Valentine's Day, which originated in Rome in the 3rd century. It is generally believed that Japan first accepted and popularized this festival. Because of Japan's strong cultural soft power, Asian countries have followed suit, so this Valentine's Day without accurate historical records has become another "Valentine's Day" that young couples value.
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White day is popular in Japan, China, Taiwan Province Province, Chinese mainland and other regions, and it is also different in terms of gifts: specifically, 14 February, the man gives the woman a gift, mainly roses or chocolates (only in Chinese mainland and Anglo-American law), and on March 14, white day, it is the woman's turn to give the man a gift, (in Japan,/kloc-0. March 14 is a boy's return) In Japan, a woman who usually wants to express her love will give a gift to her lover on Valentine's Day (February 14), and the party who receives the gift will return the gift on March 14 and tell her what she wants.