森林害鼠系伴随着生态环境的日益恶化、采伐量增大和森林生态系统受到破坏而逐渐加剧，涉及造林树种、环剥幼树皮、剪食或条状剥食树木的根、茎、枝条皮，造成大面积幼林死亡，中龄林生长受影响，从而加剧病虫害侵染，有的还大量盗食种子，影响森林更新。据刘克敏（1986）统计 With the worsening of ecological environment, the increase of harvesting volume and the destruction of forest ecosystem, the forest pest infestation system involves the root, stem, branch and peel , Resulting in the death of a large area of ​​young forest, middle-aged forest growth affected, thereby exacerbating pest and disease infestation, and some also a large number of stolen food, affecting the forest renewal. According to Liu Kemin (1986) statistics