The story of the two-dimensional animation "Sonam Dajie" is based on real historical events. The polishing of the script and the drawing of the split mirror have gone through several versions before they are finally finalized. The modeling and animation style of the characters refer to traditional Chinese comic books and excellent foreign cartoons, and a large number of real-life photos have been taken as action materials. The original animation and character coloring are carried out in Toon Boom Harmony, the scene is drawn with PS, and finally put into AE for synthesis. This film tells the story of "the pioneer of ecological environment protection in Hoh Xil and Sanjiangyuan"-Sonam Dajie. In order to protect Tibetan antelope from poaching, he led the mountain patrol into the harsh no man's land to fight against poachers. In front of cruel nature, human beings are very small. In front of cunning poachers, the power of justice is very weak, but they still do their best to protect the homeland they want to protect, Even at the cost of life. The animation highlights Sonam Dajie's exemplary role as a leader, and his tenacity, wisdom and leadership have played a key role in ecological protection.