The invention belongs to the technical field of underwater pipeline construction and especially relates to a sludge river channel water taking pipeline installation method. The method fills the blankof water taking pipeline installation in narrow river channels, and high pressure water is creatively utilized to solve the sludge problem of high-sensitivity high-rheological-property foundations; inaddition, the method cannot damage primal environment on the both shores of the river channels, so that the method is worth popularizing.