All-in-one-card is the common name of smart cards, and some smart cards are called all-in-one-card: National Urban All-in-one-card Interconnection: it is a domestic general electronic ticket issued by the Ministry of Housing and Urban-Rural Development of China, which is mainly used for small payment of urban public transportation. National Traffic Card Interconnection: It is a domestic general electronic ticket issued by the Ministry of Transport of China, which is mainly used for small payment of urban public transportation.
In addition, "One Card" is often used as the name of recharge card by some websites, such as Wang Jun One Card and Netease One Card. In some universities in China, "all-in-one card" is also used as the name of the popular electronic wallet on campus.