Whether to apply for an English certificate from a national public school or an English certificate from a school. Generally, scholars who apply for national public schools need to provide language proof, such as pets5, attend English training classes, or TOEFL IELTS. Generally speaking, there is no rigid language requirement for the school to apply for, and TOEFL IELTS scores are not required. However, on 20 15, the United States put forward new requirements for the language of visiting scholars, but there are many forms, such as providing TOEFL IELTS scores, interviews, and English qualification certificates provided by academic institutions. However, according to our application experience, after the general tutor agrees to the admission, the language requirements are very relaxed, and some English bands 4 and 6 are also recognized, so HowNet.