The medical insurance card suddenly can't be transferred to the account for several months.

Legal analysis: it may be that the unit didn't pay you social security. Although your social security fee was deducted, it hasn't been added yet.

Legal basis: People's Republic of China (PRC) Social Insurance Law.

Article 59 People's governments at or above the county level shall strengthen the collection of social insurance premiums.

Social insurance premiums shall be uniformly collected, and the implementation steps and specific measures shall be stipulated by the State Council.

Article 60 The employing unit shall declare on its own and pay social insurance premiums in full and on time. Except for legal reasons such as force majeure, the payment shall not be postponed or reduced. The social insurance premiums that employees should pay shall be withheld and remitted by the employer, and the employer shall inform me of the details of paying social insurance premiums on a monthly basis.

Individual industrial and commercial households without employees, part-time employees who have not participated in social insurance in the employing units and other flexible employees can pay social insurance premiums directly to the social insurance premium collection agencies.

Sixty-first social insurance fee collection agencies shall collect social insurance premiums in full and on time according to law, and regularly inform employers and individuals of the payment situation.