Legal analysis: graduation, dropping out of school, transferring to another school to move out of the household registration: (1) Graduates can move out of the household registration room of the security office where the household registration is located with the dispatch card; (2) If you drop out of school or transfer to another school, you can move your account out of the household registration room of the Security Office with the certificate of drop-out from the Academic Affairs Office or the certificate of transfer from the education department; And (3) those who temporarily move out of their registered residence with the approval of the Student Affairs Office because their work units have not been implemented can be kept free of charge.

A few years.

Legal basis: Article 10 of the Regulations on Registration of Household Registration in People's Republic of China (PRC), if a citizen moves out of the jurisdiction of the place where the household registration is located, he or the head of the household shall apply to the household registration authority for registration, obtain a transfer certificate and cancel the household registration before moving out. Citizens who move from rural areas to cities must apply to the permanent residence registration authority for moving out with the employment certificate of the urban labor department, the school admission certificate, or the approval certificate of the urban household registration authority. Citizens moving to border areas must be approved by the public security organs of the counties, cities and municipal districts where they live.