Free fish shopping can be paid by credit card, and the use method is as follows:

1, first open the idle fish client on the mobile phone.

2. Then on the idle fish page, select the goods to be purchased and click "I want it".

3. Next, in the page, select "Buy Now" indicated by the red arrow.

4. Then confirm your personal information and click "OK" at the bottom right of the page.

5. Next, on the page of confirming payment, select "Payment Method".

6. Then choose credit card payment, and finally enter your own payment password.