[6] In October 2011, in the women's 73 kg final of the Seventh City Games, Zheng Shuyin had a bad start and fell behind Xu Hui of the Hefei team 2:4.

[7] In September 2013, Zheng Shuyin won the championship in the taekwondo women's 67 kg and above finals of the 12th National Games, defeating Li Donghua 6:2 with a hit to the head.

[12] In June 2017, in the semi-finals of the women's 73 kg and above World Taekwondo Championships, Zheng Shuyin unfortunately lost 3:4 and eventually tied for the bronze medal with South Korean player Anseban.

[13] In September, in the overtime match of the women's taekwondo 67 kg final of the 13th National Games, Zheng Shuyin defeated Gao Pan 2:0 and won the championship.

The Chinese team, composed of Wenren Yuntao, Zhou Lijun, Zhang Mengyu, Gao Pan and Zheng Shuyin, finally won 53:17.

[15] On September 13, 2019, in the women's 67 kg and above competition at the Taekwondo World Grand Prix in Chiba, Japan, Zheng Shuyin defeated British player Bianca Walkden and won the championship, while gaining 40 Olympic points.

[16] On December 7, in the women's 67 kg and above finals of the World Taekwondo Grand Prix held in Moscow, Russia, Zheng Shuyin defeated Serbian player Mandic and won the championship.

[22] On August 29, 2016, Zheng Shuyin came to Hong Kong Pui Ching School with the Olympic delegation to conduct a Taekwondo demonstration and sharing.