In the movie octagonal cage, Mr. Wang is the prototype of Xiang Tenghui. He not only adopted orphans in Daliangshan and taught them fighting skills, but also provided them with a good living environment and opportunities for future development. However, Bourne was strongly protested by the public for being accused of using children against blacks and whites. The revelation of this old story is not only shocking, but also makes us rethink how to treat the socially disadvantaged groups correctly.

Just when the outside world was worried that the children would become the money-making tools of the "Bourne Battle" club, these children said that they would prefer to stay in the club. Because almost all these children have no family to take care of them, some are orphans who have lost their parents, and some are too poor to take care of them.

The battle orphans in the octagonal cage are played by real battle orphans.

The fighting orphans in the octagonal cage are a group of children living on the edge of society. They have no parents' care, no good education and living conditions, and can only rely on boxing to find their own value and way out. Under the leadership of Xiang Tenghui, they experienced training, competition, pain, frustration, victory and failure. Finally, some people realized their dreams, and some people suffered a tragedy.

Most of the war orphans in the film are played by real war orphans, who interpret their stories with their real experiences and emotions. Wang said: "These children are excellent, hardworking and talented. During the filming, they were very professional and cooperative. I think they are the biggest highlight of this movie. " Wang also revealed that he has set up a foundation for these children to support their education and life.