PETS- 1 is the primary level. Candidates who have passed this level of examination basically meet the basic needs of foreign exchange in the same level positions as taxi drivers, hotel bellboy, doorman and traffic police. (where PETS- 1 has a subordinate PETS- 1B)
PETS-2 is below average. Candidates who have passed this level of examination basically meet the requirements of entering colleges and universities for further study, and at the same time basically meet the basic needs of foreign exchanges at the same level as hotel receptionists, ordinary employees of banks and ordinary employees of foreign-related enterprises.
PETS-3 is an intermediate level. Candidates who pass this level of examination can reach the graduation level of non-English majors in higher education self-study examination or meet the graduation requirements of non-English majors in colleges and universities, and basically meet the basic needs of administrative secretaries, assistant managers, junior technicians, employees of foreign companies and other work at the same level in foreign exchanges.
PETS-4 is an upper-middle level, and the English level of candidates who pass this level examination basically meets the needs of non-English majors in colleges and universities, and basically meets the basic requirements of ordinary professional and technical personnel or scientific researchers, modern enterprise managers and other positions for English.
PETS-5 is the highest level, and the English level of candidates who pass this level of examination basically meets the needs of studying non-English majors or engaging in academic research abroad. This level of English can also meet their basic needs for professional and management work at home and abroad.
These five levels of examination standards are all based on the same ability scale, and there are obvious differences and internal relations between them.