At the end of 2002，Li left the national tennis team to study at Huazhong University of Science and Technology，where she completed her bachelor’s degree in journalism. However，Li returned to the national team in 2004.Jiang Shan married Li and became her personal coach in 2006.In 2008 Li finally quit the national team，becoming a free player.Between 1999 and 2004，Li won 20 women’s singles titles. Li Na has won her maiden(首次的) Australian Open women’s singles title，defeating Slovakia’s Dominika Cibulkova at Rod Laver Arena on Saturday night for her second Grand Slam title.