The invention discloses a method for comprehensively recovering valuable metals from zinc hydrometallurgy high-temperature purification slags. The method comprises the following steps: (1) drying and firing of the high-temperature purification slags; (2) first leaching; (3) second leaching; (4) purification and deposition of copper; (5) purification and deposition of cadmium; (6) deposition of tannin germanium; (7) deposition of cobalt; and (8) deposition of nickel and recovery of zinc by returning liquid obtained by deposition of nickel to a zinc hydrometallurgy system. The invention provides a method for leaching the zinc hydrometallurgy high-temperature purification slags twice after drying and firing to obtain the produced leaching slags, namely silver lead ore concentrate for sales, and comprehensively recovering copper, cadmium, germanium, cobalt, nickel and zinc from filtering liquid subjected to first leaching; the method is easy to carry out and simple in process; the recovery rate of the valuable metals is high, as the recovery rate of lead, silver, copper, cadmium, germanium, cobalt, nickel and zinc respectively reaches 98.50-99.50 percent, 99.10-99.70 percent, 94.40-97.80 percent, 95.10-96.90 percent, 93.50-96.70 percent, 94.70-95.70 percent, 94.80-96.80 percent, and 96.00-97.00 percent; moreover, the recovery of the valuable metals is more comprehensive, scientific and reasonable; waste water, waste gas and waste slags are avoided, and the requirement on national circular economy and sustainable development is met.