You can check your family's social security card on your mobile phone through Alipay or wechat city services. First, open the app on your phone; Enter the home page and click on the Civic Center, find social security in the Civic center, click to open, and then select the new social security card service, click on the social security function to open. Then choose the guardian agent can be. The Social Security Card of the People's Republic of China is an integrated circuit card issued by local human resources and social security departments for the society and used in various business fields of human resources and social security.