1. If it is degaussing, it is reasonable to add magnetism, just to repair this card, but it will take time.

2. Generally, cards are changed directly, and the card number of each card is made by editors, so it can't be the same as the previous card number.

1. Pay attention to the following points when keeping the bank card flat: it is best to put the bank card in a hard wallet, not too close to the magnetic buckle;

2. Keep the bank card as far away from the high magnetic field around the induction cooker, microwave oven, TV set, refrigerator and other electrical appliances as possible, and try not to put it together with mobile phones, computers, palmtop computers, magnets, music stars, business communication and other magnetic items;

3. Don't throw the bank card in the messy bag at will, and prevent sharp objects from being worn, scratched, twisted or broken;

4. Don't store multiple bank cards together, and don't put them back to back to avoid the magnetic strips rubbing and colliding with each other.