1, official website query. 85 C cards are all stored-value cards in real-name registration system, so customers can log in to the official website of 85 C through the Internet to log in their membership information, and then check the balance in the cards according to the card number.

2. Store inquiry. It is the way to check the balance of the card, that is, take the stored value card to any store with 85 degrees C and let the clerk check the balance.