Ten little facts about the Spring Festival: Why is the Spring Festival also called Xinzheng and Yuanri?
"Shou Sui" is also called Shou Sui Huo, Zhao Sui, etc. To put it simply, after eating the New Year's Eve dinner, the whole family will step from "New Year's Eve" to the first day of the first lunar month in brightly lit lights until dawn. Meng Lingfa believes that one of the reasons for this custom may be that "Shou Sui" originated from ancient nature worship and people's reasonable explanation for it.
Source: tellerreport.com