Low power consumption and card drawing-near type testing device

The utility model relates to a low power consumption and card drawing-near type testing device, which comprises a one-chip microcomputer 1, a drive control circuit 3 which is connected with the one-chip microcomputer, a status test circuit 4, a status indicating circuit 5, a card drawing-near testing circuit 2 and a card reading and writing mold block 6 which are connected with the one-chip microcomputer 1 in a double-way, a control member 7 which is connected with the drive control circuit 3 and the status test connection 4, an antenna 9 which is connected with the card reading and writing mold block 6, and a system supervisor P which is solidified in the one-chip microcomputer 1. The utility model can detect automatically whether a card drawing-near, and a circuit can be waked up automatically if a card drawing-near. The utility model can keep the circuit existing in a sleep state if no card, and the current of maintaining circuit work is very low.