In 2006 she took part in the world championships for the first time. With the team, she won gold. After that, Li came under the best 10 players in the world rankings. At the world cup, where she took part for the first time too, Li came to the Quarterfinals. In the next year, she won silver in the singles and doubles at the WTTC, and at the grand finals she won gold. For her win at the world cup in 2008, Li was for the first time number one in the world. But she wasn't nominated for the Olympics in 2008.