It can be processed on the WeChat client. The processing method is as follows:

1. Taking Bank of China as an example, open WeChat, search for Bank of China, and click on the search results.

2. After the search results come out, click to follow the WeChat official account.

3. Next, click on card application recommendation.

4. On the subsequent page, click Apply for Card Online.

5. Next, on the page that will jump out, search for the card you want to apply for and apply.