The first way is to send "CXYE" or "YE" to10010;
Method 2: log in to the mobile phone business hall APP, and click Service > Inquiry > Call Charge Business Inquiry > Account Balance;
Mode 3: log in to the online business hall and click "Inquiry" > "Telephone Fee Business Inquiry" on the home page;
To query the historical bill, you can edit the short message "Historical Bill" and send it to 100 10. According to the system prompt reply serial number can query the historical bill. The following figure