How do you merge two social security cards from two different cities?

First of all, social security cards are now limited to one in the province. Because of historical reasons, your original social security card in your hometown and issued is probably not working. If you want to be sure, you can hold two social security cards, in Guangdong Province in any county above the human resources department to check whether the two cards are which one works. Secondly, the social security you said you paid in your hometown is called the Urban and Rural Residents' Medical Insurance, which is also known as the New Agricultural Cooperative. After your graduation and employment, the employer will pay the employee pension insurance, employee medical insurance and other social insurance for you. And the urban and rural residents medical insurance can not be combined with the employee medical insurance.