Tet, also known as Lunar new year festival, is the biggest traditional festival in Viet Nam. Tet is usually from the end of January to early February. Before Tet, Vietnamese prepare many things for the three main days. They clean their house and decorate with flowers such as kumquat tree or peach blossom. A huge amount of food will be bought before Tet for making traditional dishes. Banh Chung, Banh Tet, Gio cha, Xoi and Mut, …and candies are the foods that must have on Tet holidays. During Tet, people visit their relatives’ homes and give wishes. However, the Vietnamese believe that the first visitor a family receives in the year determines their fortune for the entire year, people never enter any house on the first day without being invited first. Another custom is giving lucky money, which is put into a red envelope as a symbol of luck and wish for a new age