[2] He made a world record by winning 4 gold medals in Tokyo 2020 Paralympic.

Zheng lost his arms due to an electric shock when he was a child.

[2] At the 2016 Summer Paralympics in Rio de Janeiro, he suffered a lower back injury but still won the gold medal at the Men's 100 metre backstroke S6 event with a world record of 1:10.84, two seconds faster than the previous record, which was established by himself in 2015.

[2] He then caught the stomach flu on the day of the 50-metre butterfly S6 final, and lost to his teammate Xu Qing, winning a silver medal in the event.

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