China won the most medals.
Michael Phelps is this man. He won 8 gold medals in the Beijing Olympics.
china and they won 51 medals.
China- 51 Gold Medals
The United States won the most medals overall at the Beijing 2008 Olympic Games with 110 total medals (36 Gold, 38 Silver, 36 Bronze).The country who won the most medals in the 2008 Beijing Olympics was the USA with 110 medals (36 gold, 38 silver & 36 bronze), however China with 10 fewer medals finished top of the medals table due to a greater number of gold medals (51 compared to USA 36)