In fact, the best credit card is that your repayment is convenient, which should be the first point. The requirements of the four major banks are generally higher. It is easier to choose other banks than the big four. I applied for a credit card in Guangfa.com, a batch of 10000 yuan. I don't even have their business cards. Bank of Communications, Guangfa, Xingye and other cards. It depends on how convenient you are. In fact, the functions of credit cards are similar.