Nowadays, Vietnamese teenagers tend to celebrate many different festival includes Christmas and Halloween, and it don't have any impacts with some people. Meanwhile, other people's opinion is it may affects negatively about the features of culture. From my point of view, it can bring both positive and negative impacts. On the one hand, it can boost the cultural diversity and encourage extracurricular activities. This can create opportunities for young people about creative expression and familiarize themselves with the cultures from different ethnic groups. From that, they can easily get into other culture, reduce the percentage of culture shock when go to foreign countries. On the other hand, celebrating many foreign festivals might lead to a lack of interest in traditional Vietnamese customs such as Tet or Mid-Autumn Festival. Overtime, young people may forget the meanings and values behind these local festivals. Therefore, it is important to find a balance between perserving national identity and embracing global culture. Schools and families need to educate the youth about the specialities of Vietnamese traditions, while still allowing them to enjoy and learn more about foreign celebrations. Cultural prểvetion to build a well-rounded and respectful generations.