Supermarkets, electrical appliance cities, shopping malls, restaurants, hospitals, networks, telecommunications and other places. According to the relevant information, all places with POS machines can use credit cards to spend money, supermarkets, electrical appliance cities, shopping malls, restaurants, hospitals, networks, telecommunications and other places can use credit cards to spend money, and all merchants with "UnionPay", "VISA" or "MasterCard" signs can use credit cards to spend money.