The relationship between nature and man is the center of gravity in the novel "The North Barrier". Through the contest between the hunter Jinhu and the police station director Hu about "hunting" and "hunting ban", the novel tells the dilemma faced by the Sanlin District with a long hunting history under the promulgation of the new national policy, and explores many people and animals. , The emotional connection between people. The story kicked off with the incident of "hand over the gun". The "One Shot Biao" Golden Tiger "cut the meat" and hand over the gun under the call of the national policy, but still has a grudge against abandoning the sacred cause of hunting, especially the Director of the Public Security Bureau Hu When he vowed to become the "Hunter Terminator in the Three Forests", the resistance in his heart rose to the extreme. The gunshot incident, the police turmoil, and Jinhu's punishment have intensified the conflict between Jinhu and Director Hu. The two competed to defend their professional dignity.