Nothing should be lent on this days. This means you will be wealthy because if somebody require you pay their money in this time which means you will a poor man throughout new year. W e make the traditional Banh Chung, the cake of sticky rice and meat symbolizing the Earth, Traditionally, no cooking is done during the three day holiday, so all food must be prepared before. Tet if you sweep your house during first three days of TET that means you will sweep your good lucks out your family . Don't laundry during this time because you have to do this working throughout new year.
Vietnamese people are very careful about what they do on New Year's Day.
The events on New Year's Day determine your luck for the rest of the year. Therefore, everything and everyone you are in touch with on New Year's Day should symbolize good fortune. Don't visit people who are in mourning because they are associated with death. We are not suppose to wash our hair because it would mean we would have washed away good luck for the New Year. If you cry on New Year's day, you will cry all through the year.