Method for efficiently recycling valuable metal in copper dross

The invention discloses a method for efficiently recycling valuable metal in copper dross, comprising the following steps: crushing the copper dross, levigating, classifying, atomizing for pulverization, adding a sulfuric acid solution and an oxidizing agent for acid leaching, and performing residue and fluid separation on slurry to obtain lixivium and leaching residues; adding an extracting agent into the lixivium to extract indium, extracting germanium from the extract after indium is extracted, and producing cathode copper by adopting a conventional electrowinning method from the extract after the germanium is extracted; mixing the leaching residues with lead concentrate, adding into an oxygen-enriched top blown converter or bottom blown converter for reduction smelting so as to produce lead bullion, further performing electrolysis refining on the lead bullion, recycling lead, and further trapping gold, silver, bismuth, stibium, platinum and palladium in anode mud for recycling treatment. The method has the advantages of being high in metal recycling rate, low in production cost, good in economic benefits, high in raw material adaptability, clean, environment-friendly and the like.