Pi Hongyan began to practice badminton at the age of 8, and later joined the national team for training. She was selected into the national second team. In October 2000, he played in the Danish Club and won the championship in the German Open, ranking in the top 10 in the world.

At the 9th National Games held in Guangzhou in 2001, Pi Hongyan, who represented Sichuan, won the bronze medal by defeating the famous general Gong Ruina in the women's singles third place competition. After the Ninth National Games, Pi Hongyan went to France to study alone. Later, she played for the French team and won the women's singles championship for the host in the French Open in 2003. Pi Hongyan has become one of the main rivals in China's women's singles.

Main achievements:

In 2002, she won the German Open Women's Singles, and was one of the top eight women's singles winners in Denmark and the Netherlands Open;

2003 Portuguese Championships, French Open, Croatia, Mauritius, South Africa International Women's Singles Championships, Chinese Taipei Open Women's Singles Runner up, Japan, South Korea, Germany Open Women's Singles Top Four, China, Hong Kong, Malaysia, Indonesia, Singapore, and the British Open Women's Singles Top Eight,

2004 European Championship women's singles runner up, French and Dutch Open women's singles champion, Singapore, China, Germany, Denmark, Malaysia Open women's singles top four, South Korea, the United Kingdom, Switzerland Open women's singles top eight;

In 2005, the women's singles champion of the Swiss, French and Danish Open, the top four women's singles at the South Korea, Germany, Thailand, Japan, Singapore and Hong Kong Open, the top eight women's singles at the Indonesia Open, and the top eight women's singles at the World Championships;

The 2006 Singapore Open women's singles champion, the top four women's singles of the Swiss, British and Indonesian Open, the top eight women's singles of the German, Malaysian, Chinese Taipei, Chinese Hong Kong, Japan and Luxembourg Open, and the top eight women's singles of the World Championships and European Championships;

In 2007, she was the runner up in the women's singles of the All England Super Tournament, the top four women's singles of Germany, New Zealand, Thailand Open, China Masters, Indonesia Super Tournament, the top eight women's singles of Singapore and Switzerland Super Tournament, and the top eight women's singles of the World Championships.