Core Points - The social security card can be replaced online in any region of the country, allowing for cross-province services [1] - The replacement card may incur a processing fee based on the issuing location, with some regions waiving this fee [2] - There is a trial service in some provinces allowing the retention of the original bank card number during replacement [5] Group 1: Replacement Process - Holders can apply for a replacement card through various online platforms, including the National Government Service Platform and mobile apps [1] - A postal fee is applicable for online replacements, calculated based on the sending and receiving addresses [3] - After replacement, the social security functions and financial functions of the card must be activated to use the respective services [6] Group 2: Card Functions - The social security card serves multiple functions, including medical settlement, identity verification, and financial transactions [7] - To activate the financial function, the cardholder must visit the designated bank with valid identification [8] - Most regions now allow simultaneous activation of social security and financial functions at service bank windows [9] Group 3: Special Services - Special services are available for elderly, seriously ill, or disabled individuals, including home service options [10] - A social security card does not need to be reissued after a lapse in contributions, as long as it remains valid [11] - The card remains usable during the validity period, even if contributions are interrupted [12]