According to the existing policy, as long as there is a social security tax record in different places, you can't settle down. While paying social security in Shanghai, it is also paid in other cities. This is considered employment in two places, and it is not recognized to settle in Shanghai. In addition, both places have paid social security, and medical insurance benefits can only be enjoyed in one place and cannot be reimbursed repeatedly; The number of years and account amount of endowment insurance will not be calculated again.