1. Looking for existing Tmall campus users: You can ask your classmates, friends or relatives around you to see if there is a Tmall campus account. You already have an account, so you can ask your classmates for the invitation code.

2. Join relevant communities: You can join some campus discounts, WeChat groups related to Tmall campus, QQ groups, etc. In these groups, there are generally Tmall campus invitation codes to share.

3. Pay attention to the official channels of Tmall campus: pay attention to the official Weibo of Tmall campus, WeChat official account, etc. Tmall official will publish invitation codes on these platforms from time to time.

4. Waiting period: During some specific festivals or activities, Tmall Campus will issue limited invitation codes. You can pay attention to the official news of Tmall campus in order to seize the opportunity to receive the invitation code.