Visual card and balance displaying method

The invention discloses a visual card and a balance displaying method, wherein a latest balance can be displayed after transaction. The visual card comprises the components of an SE chip which is usedfor communication with card reading equipment for performing transaction; a control module which is electrically connected with the SE chip and is used for transmitting an APDU instruction for reading the balance after the communication connection between the visual card and the card reading equipment is established by a certain time period, and furthermore is used for receiving balance information returned from the SE chip, wherein the time period is longer than the transaction finishing time of the SE chip; and an electronic ink screen which is electrically connected with the control moduleand is used for displaying the balance information that is received by the control module. 本发明公开了种可视卡及其余额显示方法，其可在交易完成后将最新的余额显示。种可视卡，包括：SE芯片，用于与读卡设备进行通信以进行交易；控制模块，与所述SE芯片电连，用于在该可视卡与所述读卡设备建立通信连接后段时间向所述SE芯片发送用于读取余额的APDU指令，并用于接收所