It shouldn't be cancelled. Yangchengtong Card is a financial standard chip card, and Yangchengtong business can be recharged immediately through self-service terminals. How can I operate on the self-service terminal without a card?

If the articles of association for handling this card include the Yangchengtong recharge agreement, it means that the function of canceling this credit card Yangchengtong is also invalid. If you only need an ICBC card to handle the recharge business of Yangchengtong, but no credit card is specified, then ask if the counter card number can be changed, and then cancel the credit card with a savings card.