Shanghai and Beijing can pay social security at the same time

Legal analysis: No, you can only apply for one social security, the conditions for the application: the city's household registration and enjoy the city's social security and other social **** services in accordance with the law of the city's non-city registration, as well as in the city's employment and participate in the social insurance in accordance with the law of the foreigners, stateless persons, and Taiwan, Hong Kong and Macao people.

Legal basis: The Social Insurance Law of the People's Republic of China Article 6 The State shall strictly supervise the social insurance fund. The State Council and the people's governments of provinces, autonomous regions and province-level municipalities directly under the Central Government establish and improve the supervision and management system of social insurance funds and ensure the safe and effective operation of social insurance funds. The people's governments at or above the county level take measures to encourage and support the participation of all sectors of society in the supervision of social insurance funds.