Hello, 1. Enter Chongqing Electronic Taxation Bureau and click "Retrieve Password" at the bottom of the page. 2. Enter the password retrieval interface, enter your user name and mobile phone number, then enter the previously bound mobile phone number, and click Send Verification Code. 3. Click on the send verification code, and the page will pop up the prompt that the mobile phone verification code was sent successfully. Click OK. 4. Click OK, and the page will return to the password retrieval input box, enter the verification received by the mobile phone, enter the password twice, and finally click OK.