To join a Taobao chain group, you first need a Taobao account or an Alipay account. Then, you can search for the keyword "Taobao chain group" to find the corresponding chain group. Or find the link or QR code of the group on WeChat Moments or other social platforms. Click the link or scan the QR code to enter the chain group.

After entering the group, you need to complete the corresponding tasks or share products according to the group rules to obtain corresponding benefits or participate in chain activities. Remember to abide by the group rules, respect the group owner and group members, and jointly maintain a good communication environment.