1. The vocabulary requirement of TOEFL is 8000 and IELTS is 6000. Moreover, the choice of TOEFL reading materials pays more attention to the consideration of biology, and the subject vocabulary of biology is also worth mentioning in terms of difficulty. Therefore, in terms of quantity and "quality", TOEFL requires a large number of words. Moreover, the number 8000 only requires mastery, but the actual figures in the article are far more than these. If you don't have a strong understanding of guessing words and arranging sentences, some words that don't need to be memorized will also pose obstacles to reading and have a great impact on your grades.

Second, the speaking test TOEFL is a computer test, the score is stricter than IELTS, and it is not so humanized.

Third, listening: the original short dialogue was cancelled, the listening content was more academic, and the length of the speech was greatly lengthened.