Can I use social security card to subsidize finance and open SMS?

You can use it. According to the relevant information of social security card subsidy, you can use social security card to subsidize finance by opening SMS. People who have not opened the financial function of social security card, please bring their ID card and social security card to the joint card-issuing bank outlet of their social security card to activate and open the SMS reminder function. After the financial function of the social security card is enabled, banks can freely deposit and withdraw money at any bank's ATM, free of handling fees, small account management fees, SMS reminder fees, loss reporting fees, inter-bank and inter-regional deposit and withdrawal fees.