Official cards refer to credit cards held by budget unit staff and mainly used for daily official expenses and financial reimbursement business. The main differences between it and general credit cards are: first, business cards are strongly promoted, while general credit cards are voluntary; second, the credit limit of general credit cards is automatically generated by the bank based on personal credit rating, while the credit limit of business cards can be According to each person's job position and different needs, the budget unit and the agent bank will agree together; thirdly, if the general credit card does not reach the consumption limit or frequency, an annual service fee will be charged, while business cards will not charge any service fee; fourthly, The front of a business card has the words "Business Card" specifically set on it, while ordinary credit cards do not. ?