The terrain is expansion in incidental zone of western Liaoning. The rainwater for crop production is autarky although the drought taken place frequently. The primary problem is that there have no synchronization between the space-time distribution and crop production. But runoff holding-up and its utilizing has been ignored. The held-up moisture on the field have not been used effectively yet. A distinct effect has been gotten By using a series of technology with holding-up runoff and saving it.