Coached by Mo Youxue, he improved rapidly and won his first professional competition in the 60 metres at the 3rd Indoor Invitational Meeting in Sichuan Xipu Training Base in Chengdu.

[2] At the 2023 Chinese Athletics Championships, Deng won all three rounds of the 100 m. In the finals, he ran just 0.02 seconds off his personal best despite significant rainfall.

[2] Deng was born in Guangzhou and had participated in sprinting as early as elementary school, driven by his parents' desire to improve his poor health.

[2] Deng completed his freshman year at Jinan University majoring in physical education in 2023.

[2] In late 2022, he began representing the Guangxi regional team in Chinese competition.