Hangzhou credit card sales staff have opened stores in Century Lianhua and Carrefour on Chun Qing Road. According to relevant public information, a large number of consumers come to these places to shop every day, and credit card salesmen can contact various potential customers here to improve the promotion effect. Consumers may have high consumption demand when shopping here. Credit card salesmen can promote credit card products, encourage consumers to use credit cards, and improve the utilization rate of credit cards.