What proof do I need to issue to use the social security card?

Hello! Information to be provided: both parties' household registration books (original and photocopy)+marriage certificate (original and photocopy)+birth permit (original and photocopy)+population mobility certificate (required for foreign household registration)+ID card (original and photocopy) apply for family planning service in the community where Shenzhen lives, and then bring family planning service certificate+ID card (original and photocopy)+marriage certificate (original and photocopy)+social security card (original and photocopy)

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.