Deng competed at the 2013 World Games in Cali where she finished 4th in clubs final behind Alina Maksymenko.

She then competed at the 2013 World Championships in Kyiv, Ukraine where she qualified to 2 event finals, she finished 8th in hoop and 5th in clubs ahead of Son Yeon-Jae.

In 2014, Early in the season Deng was recovering from a foot injury, her first international competition was at the 2014 Corbeil-Essonnes World Cup where she finished 8th in all-around.

On September 22–27, Deng represented China at the 2014 World Championships where she qualified to 3 event finals, finishing 5th in hoop, 5th in clubs and 6th in ribbon.

Deng then flew to Incheon, Korea for the 2014 Asian Games where she won the all-around silver medal again behind Korean Son Yeon-Jae.