Hainan university graduate students must bring their tutor's name when they graduate with a patent?

It's not necessary. According to the inquiry of official website of Hainan University, as of March 2023, it is up to the graduate students to decide whether to bring the tutor's name, and it is not necessary to bring the tutor's name. Hainan University, referred to as Haida for short, is located in Haikou City, Hainan Province. It is a university jointly established by the Ministry of Education and the People's Government of Hainan Province, a university jointly established by the People's Government of Hainan Province and the Ministry of Finance, a comprehensive key university in Hainan Province, and a university supported by the construction of a "domestic first-class university" in Hainan Province, ranking among the "double first-class" universities in China.