The project fees include: applying for admission places for exchange students between China and the United States, DS-20 19 form and admission fees for exchange students; Production and integration of application materials; Visa reservation for American embassy (consulate); Training guidance on visa materials preparation and visa interview; Comprehensive training and safety education before departure; Airport pick-up service and briefing after arrival in the United States; Resettlement expenses for public high schools and local families in the United States; Accommodation expenses of American host families; Medical and accidental injury insurance during the exchange period; Regularly report to parents about students' study and life; American local emergency support service;