1. Medicine: The medical specialty of HKU ranks sixth in the world, and it is one of the top medical schools in the world in seven days.
2. Engineering: The engineering major of the University of Hong Kong ranks 10 in the world, and it is one of the top engineering colleges in the world.
3. Biological Science: The biological science major of the University of Hong Kong ranks 13 in the world, and it is one of the top biological science schools in the world.
4. Social Science: The social science major of the University of Hong Kong ranks 15 in the world and is one of the top social science schools in the world.
5. Law: The law major of the University of Hong Kong ranks 16 in the world and is one of the top law schools in the world.
6. Education: The education major of the University of Hong Kong ranks 20th in the world and is one of the top education colleges in the world.