Postal savings green card is a debit card, which has the same function as other debit cards. \x0d\\x0d\ Brief introduction of debit card function: \x0d\ 1. Cash deposit and withdrawal. Debit cards have savings functions such as local and foreign currency, fixed term and current account. Debit cards can be deposited and withdrawn at debit card issuing bank outlets and self-service banks, and can also be withdrawn at ATMs in China and even around the world. \x0d\\x0d\2。 Transfer and remittance. Cardholders can transfer or remit money to other accounts through bank outlets, online banking, self-service banking and other channels. \x0d\\x0d\3。 Credit card spending. Cardholders can use debit cards to spend money at merchants. \x0d\ collection and payment. Debit cards can be used to pay salaries and pay various fees (such as communication fees, water fees, electricity fees, gas fees, etc.). ).\x0d\\x0d\4。 Asset management. Wealth management products, open-end funds, insurance, personal foreign exchange transactions, precious metal transactions, etc. You can sign contracts, trade and settle accounts through debit cards. \x0d\\x0d\5。 Other services. Many bank debit card services have expanded beyond financial services, such as providing airport VIP access and medical and health services for cardholders.