This video systematically explains the registration, usage, and core differences of PayPal accounts in mainland China, Hong Kong, and the United States. It highlights that new Chinese PayPal accounts have delayed withdrawal limits on incoming payments, requiring a certain transaction period for normal withdrawals. Hong Kong PayPal offers free withdrawals to Hong Kong bank accounts but forces foreign currency conversion to HKD. US PayPal has distinct advantages in areas like shopping cashback, zero-fee withdrawals, and cryptocurrency trading. The video also details the card linking process, withdrawal methods, fee structures for each account type, and how to avoid account suspension through multi-account anti-association operations (using different browsers + different IPs). Additionally, it shares practical tips on PayPal's hidden benefits, such as new user compensation, handling DCC exchange rate traps, and referral rewards, making it a valuable resource for cross-border e-commerce, foreign trade payments, and overseas online shopping users.