How is it that the medical insurance card can't be blacklisted if it is rich?

There are many reasons for the blacklist of medical insurance. If the balance in the medical insurance payment card is insufficient and the arrears are blacked out, you can go to the local social security bureau to issue a notice of arrears, and then go to the social security bureau to solve it after paying in the local tax department; The interruption of social security payment is blacked out, and only the payment can be lifted; The medical insurance card has the risk of being stolen or fraudulently used, which can relieve the risk; The medical insurance card is used by others and is suspected of cashing out. It is necessary to dispel doubts.