Ordinary credit cards, student credit cards, and business credit cards.

1. Ordinary credit cards are the most common type of credit card. They have a certain limit and can be used for shopping, paying bills and other consumption.

2. Student credit cards are specially designed for school students, with lower limits and a simpler application process, aiming to help students establish credit records.

3. Business credit cards are mainly aimed at business people and enterprises, providing higher credit limits and business-related special discounts, reimbursement or management tools.