Since there is a rapid development around the world, especially in mainland China and Tibet, the people’s lives have been dramatically changing such as way of eating, drinking, clothing, housing, love relations etc.In general, the Tibetans who live in the cities nowadays such as Lhasa, Shigatse, Tsetang etc, are practicing their daily lives the same as other people around the world who are following modern development of the society. They eat continental food, drink different kinds of alcoholics soft drinks etc, wear different of kinds of modern clothes including baggy jeans, T shirts, skirts etc, live in a mixture of Tibetan traditional and modern houses or complete western styled houses, finding girl friends or boy friends before the marriage or without the parents arrangement.