To initiate a temporary chat on Taobao, first log in to your Taobao account. Then, find "My Taobao" in the upper right corner of the page and click to enter.

On the "My Taobao" page, you will see the "Message" option on the left, click to enter.

On the message page, you can see the "Contact" option on the left, click to enter.

On the contact page, you can search or select the user you want to initiate a temporary chat with, and click to enter their chat window.

In the chat window, you can enter the message you want to send and press the Enter key to send it. In this way, you can successfully initiate a temporary chat on Taobao.