Chen Xiuyuan, an important figure in The Police Flower and the Police Dog, is an expert in dog behavior research and a doctor with many years of German study and work experience. As a special instructor of the women's police dog training squadron, she has been involved in the formation and training of the women's police dog training squadron, and finally she and Nani came together after all kinds of hardships.

Xia Fan was born on June 27th, 1980. He is an actor and graduated from Fukuoka University.

In 2005, he played the role of Japanese painter Saburo Chiba in the TV series Da Dunhuang directed by Chen Jialin. In 2006, he played Miki in the historical TV series A Woman's Life. In 2007, he played Mu Fan in the TV series The Eighth Sense. In 2008, he participated in the filming of the TV series "Kill the Tiger Mouth" directed by Xu Jizhou. In 2009, he participated in the filming of the TV series "Mobile Phone" with the same name. On August 20 10, he played Ji Ping in the family TV series "Adoptive Father" directed by Zhang Guoli; 20 1 10 participated in the family TV series "Room Wars" directed by Zhong Shaoxiong in May, and played Qiao Shuguang in the play; May 20 12, participated in the filming of Han Gang family TV series "Baby Comes Home". June 20 13 participated in the anti-Japanese war TV series "Pseudoheroes" and played Hao Yunfeng in the play? July 20 14 played the stern and cold official dragonfly in the TV series Ghost Dog.