Will a social security card expire if it's not activated?

No. According to the query Chinese legal services network shows that the social security card in the six months after the issuance of the card did not handle the activation, then the participant's medical insurance card will be automatically invalidated, that is, the social security card will not be activated will not expire, but the medical insurance card will be affected. The Chinese people*** and the country social security card is issued by the local human resources and social security departments for the community, for human resources and social security business areas of the integrated circuit (IC) card.