Then invention relates to a method for recovering germanium from zinc dross, belonging to the technical field of non-ferrous metallurgy. After the secondary extracted zinc is leached by adopting the wet method, and the leached dross can be pre-treated, the germanium can be converted into the germanic from the low-valence in metal or germanium monoxide. Namely, hydrogen peroxide is used for oxidizing germanium, lead, indium, arsenic and other elements in the hydrochloric acid medium, so that the elements can be oxidized from low valence to high valence; the lead, indium, arsenic, gallium and the like react into solution, the low-valence germanium wrapped by the elements can be exposed and oxidized to be the germanic by the hydrogen peroxide under the acid condition into hydrochloric acid solution, and the germanic can escape in a form of germanium tetrachloride by evaporation, so as to realize the separation with other purities; and then, the separated germanium tetrachloride is purified and hydrolyzed, so as to prepare germanium dioxide. In the zinc dross with the germanic being more than 2.0%, the recovery rate of the germanic can reach more than 98%; in the zinc dross with the germanic being more than 1.0-2.0%, the recovery rate of the germanic can reach more than 95%; and in the zinc dross with the germanic being 0.1-1.0%, the recovery rate of the germanic can reach more than 90%.