520, Internet Valentine's Day, is a love festival in the information age. It is scheduled for May 20th and May 2nd1day every year, which is the first fixed festival in the virtual network world. This festival originated from the metaphor of "520" in the digital love of singer Mavis Fan and the close relationship between "I love you" and "online lover" in the online songs of musician Wu Yulong.
Online Valentine's Day is also called "auspicious wedding day", "confession day", "coquetry day" and "courtship day". 520 has become the expression of many lovers, and even the wedding day is chosen on May 20th (520).