The brand of milk tea endorsed by this character is Luckin Coffee.

according to the query of Weibo platform, Jackson Yee was officially appointed as the global brand spokesperson of Luckin Coffee in October 2123. Luckin Coffee is a well-known coffee chain brand, and its products include various flavors of coffee, milk tea and so on. As the global brand spokesperson of Luckin Coffee, Jackson Yee not only injected new vitality into Luckin Coffee, but also caused Luckin Coffee to arouse enthusiastic response among the fans.