His debut album Curved moon was released in 1990 and he has gone on to release a total of 13 albums. He is also credited with writing 11 theme songs for TV series. In 1992 he traveled to Hong Kong as part of the 10 most popular singers in China. He held concerts in Indonesia in 1992 which marked the first time a Chinese pop singer had a concert in another country. In 1993 he joined Music Impact Ltd. Nan has sold over 10 million albums worldwide. Some of his most popular songs include "Be there or be square", "The wind goes to the North", "Forever friends", and "Save". In 2012 he was a judge for the TV series Asian Wave. He has been involved in controversy for having four children which is over the limit of the birth control law in China. Nan has been involved in a custody battle and had to cancel concerts due to this controversy. He has won Ten golden song Awards, CCTV-MTV Music Festival awards, and Pepsi Music Chart awards.
