Abstract: It is important to protect, transform and make proper use of the natural shrubs for maintaining ecological balance and improving the production of animal husbandry and sidelines in the "three north" region. Taking an example of the shrubs in Wulanaodu area which is located in the east of the "three north" region, this paper summarized the five years experiment (1981—1985) on three kinds of transformation measures:round enclosing, aboveground cutting and seeding. The tnatural shrubs in this region are devided into three types and each given a corresponding model for the rationaI utilization of the natural shrub resources.