To prevent credit card fraud, four precautions should be taken. China Merchants Bank Credit Card launches the "Extraordinary Sanya" five-star tour. Five precautions for overseas credit card consumption. CITIC Bank Credit Card launches a "May Day" card-swiping lottery event. In celebration of "May Day", some banks increase temporary credit card limits. Bank of China Credit Card promotes eight achievements in `convenient people` services. Selling credit card points, prices vary by dozens of times among different banks. Credit card cashing out challenges risk management, banks look forward to legislation.