Principal Cheng has been deeply engaged in Chinese teaching for more than 30 years. She is a well-known teacher of special-grade and a core expert of the whole courses. She is excellent in both performing skills and moral integrity, who has deep attainments in many fields such as children's picture book reading and teachers' professional guidance. Therefore, she has also won the respect from teachers, students and parents. During the past five-year as National Deputy Principal in HD Ningbo, she developed a large number of excellent teachers’ team, with high satisfaction with Chinese courses. In recent years, Principal Cheng has visited HD Shanghai several times to conduct Chinese teaching, and has been invited to participate in teachers’ promotion and research of cross-campus collaborative teaching, etc.