The invention relates to a dehydration technology, in particular to a high-efficiency dehydration technology for reverse flotation products of high sulfur bauxite. The high-efficiency dehydration technology for the reverse flotation products of the high sulfur bauxite includes the steps that the reverse flotation products are conveyed to a stirring groove to be stirred, then, the stirred reverse flotation products are conveyed to a thicker to be thickened, bottom flow after dehydration of the thicker is directly fed to a pressure filter to be filtered, and then the dehydrated products are obtained. Compared with the prior art, the technology has the advantages that due to the fact that a secondary dehydration method is performed on aluminum concentrate at the sedimentation part of the thicker, the bottom flow concentration of the concentrate can be effectively guaranteed; due to the fact that the pressure filter is applied to perform filtration after materials are mixed, not only can the capacity of the pressure filter be guaranteed, but also the moisture content of the concentrate can be reduced. Thus, the moisture content of all the reverse flotation products of the high sulfur bauxite is lower than 15%.