Blue-printed account is a kind of household registration between formal account and temporary account, which is called blue-printed account because of the blue seal of public security organs. There are two ways for Lan Yin to participate in the senior high school entrance examination: one is to participate in the senior high school entrance examination in Tianjin, and to participate in the unified enrollment of senior high schools in Tianjin is the same as that of students in this city; The other is to come to Tianjin for high school after the local exam. Some schools will organize separate entrance examinations for blue-printed registered students who want to transfer to other schools, and select the best candidates according to the test results. Candidates who are admitted must report to the school at the specified time, and then go through the relevant transfer procedures according to the regulations.