Teachers' qualification certificates are numbered in a unified way throughout the country. Number *** 17 digits, meaning: the first four digits of the certificate number are the annual code, which is the annual number of the teacher qualification; The fifth and sixth digits are provincial administrative region codes, which represent the provinces (autonomous regions and municipalities directly under the Central Government) where the issuing authority is located, and adopt the standard of "codes of provinces, autonomous regions and municipalities directly under the Central Government" in the Code of Administrative Divisions of the People's Republic of China promulgated by the state; The seventh, eighth and ninth digits are the code of the teacher qualification accreditation institution, and the code number shall be uniformly stipulated by the provincial education administrative department; The tenth is the teacher qualification type code (1 stands for kindergarten teacher qualification, 2 stands for primary school teacher qualification, 3 stands for junior high school teacher qualification, 4 stands for senior high school teacher qualification, 5 stands for secondary vocational school teacher qualification, 6 stands for secondary vocational school internship guidance teacher qualification and 7 stands for higher school teacher qualification); The eleventh place is the gender code, where "0" means that the holder is male and "1" means that the holder is female (the eleventh place of the teacher qualification certificate issued after 2009 is "1" means that the holder is male and "2" means that the holder is female); The number from 12 to 17 is the serial number, and all the teacher qualification certificates issued this year are numbered uniformly by the teacher qualification accreditation body according to the processing order.