To help them adapt quickly, Wu often organizes interactive communication activities, which also promote interactions between students from all over the world.

He also serves as a "tour guide" when his friends from Hong Kong travel to Xiamen in Fujian, sharing his knowledge about the province.

He said he got the idea studying and living on the mainland when he was a child and his family took him to visit cities and schools in mainland.

"Many students in Hong Kong like me would like to choose to study in mainland universities," he said.

Huaqiao University was established in 1960 and began recruiting students from Hong Kong in 1978.

Till now, over 8,000 students from Hong Kong have studied and graduated from the university.

Lu Ruoxuan contributed to the story.