The invention relates to a dual-peak temperature tinning device with a cold air blower. The dual-peak temperature tinning device comprises a tin pot, a flue and the cold air blower. A cover plate is installed on an opening part in the upper end of the tin pot in a sealed mode. The tin pot comprises a weld aiding region and a wire tinning region which are communicated. The upper portion of the weld aiding region is provided with the vertically-arranged flue in a sealed and communicated mode. The upper portion of the wire outlet end of the wire tinning region is provided with the vertically-arranged cold air blower in a sealed and communicated mode. A plurality of heating pipes are installed at the bottom and the two side walls of the tin pot at intervals. According to the dual-peak temperature tinning device, due to the fact that the cold air blower is installed at the wire outlet end of the upper portion of the wire tinning region in the sealed mode, inert gas cooled in a closed and wind-against mode circulates in a shell, heat of a copper wire is rapidly released in wind-against movement, the tinned layer on the surface of the copper wire can be rapidly solidified and effectively prevented from being oxidized, and the brightness of the tinned layer on the surface of the copper wire is improved. The tin pot is of a dual-peak temperature structure, the problem of pot freezing is solved, the tinned layer of the copper wire is even, and the tinning quality of the copper wires is effectively improved.