But if it is a large transaction. So you bring it to use now, but it is best to ask your father to apply for an additional card for you. The limit of the additional card refers to the dual-currency card using the "UnionPay" POS card for consumption, but it is in your name ( The pinyin of your name is embossed on the card (such as a passport, etc.), and if it is not a big problem (such as when used in supermarkets, etc.), just sign it. Since your card is issued domestically, it has a signature in Chinese characters, so generally you do not need to verify your name. For credit cards such as Bank of China, ICBC, etc., you can set up transaction proof signatures, which require password verification (unless you do not need to enter a password for the card type. For example, China Merchants Bank. When you arrive in the UK, you don’t need to enter a password (or signature + password) when using VISA POS in a physical store, or you need to check whether it is the person you are using it in a duty-free shop (you are required to show PHOTO ID, card type and main card are the same. In China, you need to enter the password