It takes about two weeks for HSBC credit card approval. Generally, banks will set up a credit card center in a certain city, and the credit card application forms of other cities need to be summarized in the card center, and then they will be reviewed and filed after receiving the credit card application materials of various local cities. This process takes about 15 days. Therefore, the review process of HSBC credit card usually takes about two weeks, depending on the time when the credit card center receives your information.