2. "Picking green" is a traditional custom of Vietnamese Spring Festival, that is, taking broken branches home.

Third, the Vietnamese government has banned firecrackers for a long time, so Vietnam does not set off firecrackers during the Spring Festival.

Fourth, during the Spring Festival in Vietnam, there is a custom of erecting poles to exorcise ghosts. The telephone pole is about 6 meters long and stands outdoors. Some small toys and bells are hung on the post.

Extended data:

First, the Spring Festival in Viet Nam and the Spring Festival in China have the same origin, so they are basically the same. During the Spring Festival, Vietnam can't do farm work, quarrel, swear words and throw things. This taboo also exists in some parts of China.

Second, on the first day, the second day and the third day of the first month, people go to relatives' homes, friends' homes to pay New Year greetings and go back to their parents' homes.

Third, the 23rd of the twelfth lunar month is the beginning of a year. Vietnamese will put a carp to symbolize good luck in the coming year, which is similar to our meaning of' koi fish'.