The Tay is one of the most popular ethnic minorities. The Tay ethnic group occupy Vietnam with 1,700,000 people. They live mainly in Vietnam’s northern and northwestern provinces such as Cao Bang, Bac Can, Lang Son, Ha Giang, Thai Nguyen, and Lao Cai. Moreover, some of them emigrated to other provinces of Center highlands as Dak Lak, Lam Dong. The Tay are farmers who have a long tradition of wet rice cultivation, they plant rice on terraced fields along with the other crops and fruit trees. Cattle and poultry raising are well-developed, but a free-range style of animal husbandry is still popular. The market is also an important economic activity. On festival occasions, they make many kinds of cakes, such as square rice cakes, round rice cakes, black rice sesame cake, lime-water dumpling, fried rice cake, etc. To sum up, each ethnic group has its characteristics in its culture and customs. The Tay plays a very important role in creating its characteristics in the culture, customs, and cuisine of the Vietnamese people.