The invention discloses a method for preparing battery grade sulfate from colored heavy metal materials. The method mainly comprises the following steps: high temperature high-acid dissolution, wateraddition for heat exchange, oxidizing leaching, evaporation and concentration and crystallization, and washing drying. The product obtained in the invention is mainly the battery grade sulfate product, the content of sodium and nitrogen is low, and the grain particle size distribution is greater than 2.0 microns. According to the method, the reaction temperature is quickly reduced through water addition for heat exchange, appropriate temperature is provided for an oxidation reaction of heat release, the reaction rate of oxidizing agent dissolved metal materials is quickened, the production cycle of the industrial technology at present is shortened, the utilization rate of the metal materials can be greatly improved, the treatment cost is reduced, and the method has the characteristics of high efficiency and stability. The method for preparing battery grade sulfate from colored heavy metal materials disclosed by the invention has wide development prospects, and is applicable for the following colored heavy metal materials: copper, nickel, cobalt, zinc, lead and tin.