On-site audit is aimed at students who have passed the preliminary audit, and they need to attend interviews or exams at designated places to further evaluate students' ability and quality. On-site audit usually takes the form of oral examination and written examination, which comprehensively evaluates students' language expression ability, logical thinking and subject knowledge. Through on-site audit, the school can understand students' abilities and specialties more comprehensively, and further evaluate students' adaptability and academic level.