What is the meaning of "washing river sand" in the yellow calendar?

Chong: In the laws of the Gregorian calendar, the concept of five elements interacting with each other, like the coordination of nature, has certain laws. When these two elements are in conflict and evil, people usually follow the advice of ancient laws to protect themselves.

Shame: In the daily direction of the shaman era, it is inappropriate to break ground, build, move, trade, enter the grave, bury and start saving. You should try to avoid shaman's age, pay attention to the direction of shaman's age, and avoid doing anything in this direction to avoid accidents.

However, those who violate the age of the perpetrator should avoid or not do the above things. Traditional folk beliefs are also accustomed to the procedure of "early settlement" to pray for all the best in the year.