The second-generation social security card can be replaced by the third-generation social security card, or it can not be replaced. There is no mandatory requirement, and Hebei and other places clearly stated that even if it is not replaced by a third-generation social security card, the second-generation social security card can still be used for a long time.
However, it is suggested that if the third-generation social security card has been issued in your area, you can consider replacing it, and it is free for the second-generation social security card to replace the third-generation social security card for the first time. The third-generation social security card is relatively more advanced, convenient and safe.