The 30th Summer Olympic Games, also known as the 2012 London Olympic Games, were held in London from July 27 to August 12, 2012 and. 10,568 athletes from 204 countries and regions participated in the Games, among which 85 countries and regions won medals in 302 events of 26 sports. China ranked the second in the gold medal tally and the medal tally with 38 gold medals and 88 medals in total.

21 athletes from Zhejiang Province participated in 29 events of 8 sports, such as swimming, shooting, rowing, wrestling, boxing, track and field, basketball, volleyball, etc. They won 4 gold medals, 2 silver medals and 2 bronze medals, secured the fifth place in 3 events, the sixth place and the eighth place in one event respectively, and broke 2 world records and 3 Olympic records for 2 sports. They had kept the record of Zhejiang Province of winning at least one gold medal for China at all Olympic Games since the 1984 Los Angeles Olympic Games.