1. It can be used as a source of payment funds, allowing for quick and smooth purchases and payments; 2. It is easy to complete PayPal authentication with a credit card. There are no limits on payments and cash withdrawals, and the seller's credibility will also be improved. . How to add? Preparation work: 1. Please confirm that the credit card you have is an international dual-currency credit card marked by Visa, MasterCard or American Express; 2. Please make sure that your credit card has not expired. How to add a credit card? 1. Log in to your PayPal account; 2. Select "My PayPal" -> "User Information" -> "Add or Edit Credit Card"; 3. Fill in the credit card information you have with the Visa, MasterCard or American Express mark as required. , and then submit. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Fill in the credit card information you have with Visa, MasterCard or American Express as required and submit. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Fill in the credit card information you have with Visa, MasterCard or American Express as required and submit. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Fill in the credit card information you have with Visa, MasterCard or American Express as required and submit. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired. Preparation: Please make sure that the credit card you have is an international dual-currency credit card with the Visa, MasterCard or American Express mark; please make sure that your credit card has not expired.