In October 1981, Zhu joined the People's Liberation Army and served four years.

[2] Zhou Xiaoxuan, a screenwriter in Beijing known in China under her nickname Xianzi (弦子), stated in 2018, when she was 25 years old, that Zhu had assaulted her in his dressing room in 2014.

Zhou also reported the incident to the Chinese police, who advised her to drop the issue over concern of endangering the jobs of her parents in civil service and a state-owned firm.

[3] On December 2, 2020, the Haidian District People's Court held formal evidentiary hearing on sexual harassment case against Zhu Jun.

[4][5][6][7] On 14 September 2021, after the second hearing, the court ruled that Zhou's harassment claim against Zhu did not meet the standard of proof to proceed.