The Yangtze River Basin is home to in excess of more than 400 million individuals and adds to about a portion of China's sustenance creation. Along these lines, getting ready for environmental change impacts on water asset releases is basic the readiness towards environmental change is necessary. The water temperature scope of the Yangtze River has changed essentially since the fruition of the Three Gorges Reservoir, which lead to a colossal impact on the water condition in the Three Gorges Reservoir. This investigation will analyze the effect of the Three Gorges Reservoir on the warm elements of the Yangtze River China. The investigation utilizes long haul perceptions of River Water Temperature. This paper centers on the investigation of the water temperature qualities of the standard qualities in the Three Gorges Reservoir and the slacking impact of water temperature on temperature structure contrasts in tributaries. The outcomes demonstrated that water temperature step by step diminished along the standard and stratified position water temperature of tributaries amid the warming time frame. Notwithstanding, water temperature step by step expanded along the standard, and water temperature stratification of the estuaries vanished in cooling period. After the consummation of the Three Gorges Reservoir, the effect of water temperature is predominantly reflected in slack qualities. Through further examinations, water temperature profiles will in general have great achievement when the Three Gorges Reservoir levels achieve 175m. This adds to water temperature contrasts in the tributary, which is the fundamental purpose behind water temperature structure changes. The methodology utilized here to evaluate the different commitments of atmosphere and human intercessions on River Water Temperature can be utilized to set logical rules for stream the executives, protection arranging and vital organic checking endeavors in controlled waterways.Citation: Ali RO, Abubaker SR, Islam S. Overview effect of three gorges reservoir on the changing water temperature in the Yangtze river, China. Int J Hydro. 2019;3(3):230-237.