Learning card is a prepaid card for online education and training, which is generally sold separately by various websites. The number on the credit card is the credit card number.

Learning cards are divided into two categories, the first category: billing category (stipulating how many learning coins are included in a certain face value, and the fees will be deducted according to each episode until the learning coins are deducted), and the second category: package category (such as monthly cards, season cards, semi-annual cards, annual cards, etc.). It is stipulated that the card can be used normally within a certain period of time).