[3] She won the bronze medal at the 1985 IBF World Championships in mixed doubles with Zhang Xinguang.

At the China Open in 1987, she lost the final of the women's doubles (5-15 and 2–15) with her teammate Wu Jianqiu to Lin Ying and Guan Weizhen.

[4] In 1988, her luck turns a bit better since she finally won her first individual Grand Prix with Zheng Yuli after she won the German Open against an English pair of Gillian Clark and Gillian Gowers.

[5] Although her individual career is not as glorious as her teammates mostly at that time, Lao was included in two 1986 and 1988 Uber Cup squads that ultimately won the tournament.

[8][9][10][11] After the Uber Cup concluded, Lao retires immediately from the squad and became coaches in grassroots level in Guangzhou and actively promoting badminton competitions in her provinces.