The differences between KET and CET-4 are as follows:

CET-4 is an English test for non-English majors, CET-4 and CET-6 can only be taken by students, while PET-4 is a social-oriented CET-4. Without academic qualifications and geographical restrictions, you can apply for the corresponding level according to your own level. PET4 will be difficult. PET4 is a public English test, which is more difficult than CET-4 and CET-6.

PET test covers four basic language skills: listening, speaking, reading and writing, and reflects the ability to use English in real environment. It is regarded by many employers as the English level that secretaries and assistants should have. At the same time, it is also widely recognized in tourism, retail, construction, manufacturing, engineering and other industries that need to use spoken English frequently.

At present, there are two versions of PET exam-campus PET and KET. The two versions follow the same test form and test paper title level. The only difference is that the content of PET test questions and the language environment of the campus version are set around students' interests and life experiences.