The social security card was suddenly cancelled. What happened?

Legal analysis: 1. The social security (medical insurance) card fails to pay in time and suspends the medical insurance function; Second, the hospital system failed; Third, the system information is wrong; Fourth, ensure that there is enough balance in the social security card; 5. Other reasons: the social security card chip is damaged, demagnetized, the card surface is damaged and layered, and the original minor has not changed the card in time when he is over 16 years old. This will also lead to the social security card not being used normally.

Legal basis: Article 57 of the Social Insurance Law of People's Republic of China (PRC), the employing unit shall, within 30 days from its establishment, apply to the local social insurance agency for social insurance registration with its business license, registration certificate or unit seal. The social insurance agency shall examine and issue the social insurance registration certificate within fifteen days from the date of receiving the application.

Where the social insurance registration items of the employer are changed or the employer is terminated according to law, it shall go to the social insurance agency to change or cancel the social insurance registration within 30 days from the date of change or termination.

The market supervision and management department, the civil affairs department and the organization management organ shall promptly inform the social insurance agency of the establishment and termination of the employing unit, and the public security organ shall promptly inform the social insurance agency of the birth, death, household registration, transfer and cancellation of the individual.