This research surveys the preference of Asian overseas students to study in the United States; it also reviews the research literature and empirical studies of the reasons that influence the mobility of overseas students and introduces the marco factors that cause great impact on the students: political, educational, economical, historical and cultural factors. The study manages to combine the causal model and push--pull theory to explore and explain the interaction relationships between Asian overseas students and the united States. The research shows that the push--pull ausal model of study--abroad interaction does exist between Asian overseas students and the United States.