Fund card, also called money fund credit card, is a credit card with the function of automatic redemption of money fund and automatic repayment of credit card debt by money fund.

Funds can be divided into broad sense and narrow sense. Broadly speaking, a fund refers to a certain amount of funds set up for a certain purpose. Such as trust and investment funds, provident funds, insurance funds, retirement funds and various foundations. People usually refer to funds mainly as securities investment funds.