That is the Taobao account name, from when I registered the Taobao account!

After binding the Cainiao Wrap App, you can directly view and relax the pickup code, and you can also bind the express delivery status of the associated mobile phone. I don’t know if this is the function you want

tb The account at the beginning is registered through a mobile phone number. You can contact him by phone before shipping. Check his phone number and address on Baidu to see if there is any problem!

Taobao is registered with the Industrial and Commercial Bureau and has a trademark

"tb" generally means Taobao. Each one usually has many accounts. If they are all set up If it is a number, it will be confused. If you add tb in front, you will know that it is the account used by Taobao