Why is the social security card written on the back of CCB?

The construction of bank card as the carrier of social security card. The back of the bank card issued by China Construction Bank says "Social Security Card", because the government of China uses the bank card as a carrier to distribute social welfare and security policy subsidies. These policies include social security benefits such as medical insurance, endowment insurance, unemployment insurance and housing accumulation fund. Through the issuance, management and use of bank cards, accurate distribution of benefits, efficient management, fairness, openness and transparency have been realized.