Usage: Huaibei one-card application field: traditional financial payment field (hotel; Catering; Shopping mall; Supermarkets, etc. ); Public enterprise payment field (water; Electricity; Qi; Communication; Cable TV) and transportation (bus; Taxi industry); Social security field (medical insurance, social security, provident fund, etc.). ); Education (school administrative expenses, canteens, libraries); Medical care (hospitals, communities, pharmacies, etc. ) Huaibei City Card has electronic wallet and bank card loan; Debit function; In this way, fixed and non-fixed micropayments and traditional bank card payments, such as water, electricity, gas and transportation, can be realized.