Snow Mountain Community in Songbai Village, Yongxin Township, Jingyuan County, Gansu Province is located in a high-altitude, humid mountainous area. The climate is harsh, the land is poorly harvested, and it is uninhabitable. There are no other villages within a few kilometers. Xueshanshe now has almost no completed houses, and there are ruins everywhere. "At the beginning, the wild dogs barking in the mountains kept me awake all night. Later, I raised a few sheep, and finally I had a companion, and I gradually got used to living alone." Liu Shengjia said with emotion. "One night four years ago, it rained heavily. I was lying on the kang, and suddenly the back wall of the house was poured down by the rain. Then I moved to a new yard, but no one lived in it anyway." After this change, the Liu Sheng family Lived there until now. You need to go down the mountain to get water, and you need to travel several kilometers down the mountain to buy food ingredients. In order to survive, in addition to the meager subsidy for returning farmland to forest and the income from selling two or three sheep every year, Liu Sheng's family worked as a temporary ranger at a forestry management station not far from the community. His monthly income of more than 700 yuan was enough for him to survive. Basic protection.