3, meaning to open the door to welcome the blessing, good luck, if you turn the blessing at the door upside down, you will pour the blessing out of the door and run to someone else's house.

4, inverted blessing: the word "fu" on the water tank and trash can must be posted backwards.

Since everything in the water tank and trash can should be emptied, the word "Fu" should be pasted upside down in order to avoid dumping the word "Fu" at home.

6. Two no stickers: If the names of the three generations of grandparents and grandchildren contain the word "fu", the word "fu" cannot be posted during the Spring Festival. You should avoid the names of your ancestors as a sign of respect.

7. The word "Lu" can be used instead, with similar meaning, indicating that you want to be blessed and lucky.

8. If an elder in your family dies within one year, you can't post the word "Fu". Be filial this year, and don't see the red.