There are many functions of social security, for example, you can go to a doctor to settle your personal medical insurance account in real time, and you can also go through the formalities of job registration and unemployment registration, endowment insurance, applying for unemployment insurance, applying for labor ability appraisal and applying for work-related injury insurance benefits. It is illegal to cash out the money in the social security card objectively, and will be investigated for legal responsibility after being discovered by the social security agency.