The invention relates to a method for recycling valuable metal from copper smelt white smoke and belongs to the technical field of resource recycling. The method includes the steps that the white smoke collected from a second electric field, a third electric field and a fourth electric field through an electric copper smelting smoke collection device serves as a raw material, a first-level power wave circulating cleaning solution serves as a leaching agent, the liquid-solid mass ratio is 8-10:1, leaching is conducted at the normal temperature, and lead-rich slag with the metal grade larger than 40wt% is obtained; sodium sulfide is added to a leaching solution for fractional precipitation so as to recycle copper and rich arsenic, the metal grade of copper-rich slag is larger than 40wt/%, the content of the arsenic in the arsenic-rich slag is larger than 35 wt%, finally, sodium carbonate is added for zinc precipitation, and the metal grade of the zinc-rich slag is larger than 45 wt/%; the valuable metal mentioned above can be used as raw materials for use or sale after being enriched, stockpiling or landfill requirements can be met after the metal is cured, and the arsenic open stub is formed. By the adoption of the method, circulating acid pickle serves as the leaching agent, the system waste acid treatment amount is reduced, valuable elements in the waste acid can be recycled, leaching operation and precipitation operation are conducted at the normal temperature, operation is convenient, and the method has good application and popularization value.