Located in Wuhan-Anqing section of the Yangtze River trunk line，the Liyushan waterway is the essential artery for the transportation of waterborne materials in the upper，middle and lower Yangtze River，and its channel passage capacity is a key part for the smooth flow of logistics in the Yangtze River basin. In recent years，the development of scouring depth of the south channel has caused a decrease of the discharge capacity at the north channel and the dispersion of water flow. The Huanglianzhou central bar is extremely unstable，and the north channel conditions tend to deteriorate. To curb adverse development of the waterway， waterway regulation was implemented in 2015. After completion of the project，the regulation effect was evaluated based on the regular observation and analysis，combined with relevant mathematical model and physical model results in the design and construction stage. The result reveals that the scour of Huanglianzhou central beach and south channel is generally controlled，the adverse change trend is restrained，and the condition of the north channel is improved，the structure of regulation buildings is stable，and the channel regulation goal is realized.