You need not worry too much. If you lose a new credit card in the mail, there will be no problem. As long as you don't open the card, you can't spend it. When you open a card, you need to provide your real personal information, which others don't know, so the security can still be guaranteed after you lose it.

The following tells you the operation process of not receiving the card after mailing the credit card: ① Contact the credit card center to inform that the credit card was not received and the mail was lost; (2) The credit card center supplements the card and issues it; (3) Some banks have to bear the extra cost of secondary business card printing; (4) Carefully check whether check card is damaged after getting the card.