What about social security after transferring to Shanghai hukou?

Legal analysis: just transfer social security to the local area. The insured person applies for transferring the social security relationship in the original social security institution and prints the payment voucher of the old-age insurance; Then apply for social security merger in different places to the social security bureau of the current insured place with the proof of insurance payment; The social security agency of the original insured place has gone through the transfer formalities, and now the social security agency of the insured place has gone through the receiving formalities.

Legal basis: Article 58 of People's Republic of China (PRC) Social Insurance Law. The employing unit shall handle social insurance registration for employees within 30 days from the date of employment. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay. Employees-free individual industrial and commercial households who voluntarily participate in social insurance, part-time employees who do not participate in social insurance in the employing unit and other flexible employees shall apply to the social insurance agency for social insurance registration. The state establishes a national unified personal social security number. Personal social security number is a citizen's identity number.