Landscape pattern is the synthesis of physiognomy, soil, vegetation, water and productivity. In the point of dynamic factor of landscape formation, the author analyses the characteristics of landscape pattern in Middle-lower Reaches of Taoer River, and summarizes the promotion by physiognomy, hydrology and social productivity , with the emphasis on hydrological factor. It expatiates the process of mutual effect and spatial differences of landscape and water regime, with exemplifying the impact of landscape pattern on water quantity, quality, and spatial distribution furtherly.