Normally there will be no impact. \x0d\The card information is recorded using magnetic recording materials, and water washing will not degauss or damage the information (of course, unless the card is folded or damaged). \x0d\Nowadays, there are generally several types of cards, such as magnetic stripe cards, chip cards, and magnetic stripe chips. No matter which one, they use magnetic materials to record user account information. This information is very simple and will not be easily will be erased unless there is strong magnetic interference. \x0d\The washing machine itself, in the laundry tub, does not have a strong magnetic field. Even if the motor has a magnetic field, it is generally shielded within the motor casing, and the scattering is not strong.