Jin Zai is a fictional character in the movie Chinese Doctors. Oho Ou plays the takeaway brother Jin Zi, who is still strong at the cusp of the epidemic storm and contributes to the fight against the epidemic.

Oho Ou said that when he 16, his first job was to deliver food, so he had special affection for this role. "I hope that through the role of the golden boy, I will pay tribute to the selfless civilian heroes during the epidemic."

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Chinese Doctors is an epidemic prevention medical film led by Bona Film Group, Zhujiang Film Group and Hubei Changjiang Film Group, directed by Liu Weiqiang, starring Zhang Hanyu, Yolanda, Zhu and Jackson Yi.

This film is based on the real event of fighting the COVID-19 epidemic in 2020. It tells the shocking story that white retrograde people from all over China stepped forward one after another, raced against time, fought bloody battles in the front line of Wuhan, and protected the lives of Chinese people regardless of their own safety.