What does it mean to put seven eggs in the river?

In some places, seven stands for "eating", which is homophonic.

Every place has different customs. Seven eggs may represent local customs.

Folk psychology is the deepest, most hidden and most stable part of folk belief. It has been handed down from ancient times and is a way of thinking with folk beliefs as its core. In China's traditional folk customs, the folk image formed with the theme of eggs, although mainly preserved in the folk, has had a far-reaching impact on the national psychology of the Chinese nation.