Book excerpt: In the globalization era, social media become more popular in everyone's daily life with its user friendly and effective functions. Social media support the people across the world in communicating, meeting new people, making socialization, sharing knowledge, learning different experiences and interacting with each other instead of distance and separation between persons. Moreover, social media can encourage the increasing of intercultural adaptation level of people who are facing different cultural experiences in new communities. The study shows that people use social media to become more adaptable with the new cultures of the host countries and to preserve their connections with home countries.