According to the youth information in Smoke from a Bonfire, Wang Erxiao was played by Levin Long.

Yan,,, Min, Chen Yingzhe, etc. Played the youth in the bonfire smoke. Based on the precious historical facts in the bonfire years of the Anti-Japanese War, this paper tells the story of a group of aspiring young people, represented by Xiao, who fought bravely for the Anti-Japanese War and spilled their blood on the earth.