The invention discloses an enameled wire and a production process thereof, includes the following steps: S1, preparing a blank, S2, medium drawing, S3, Cleaning, S4, medium and small wire drawing, S5,annealing, S6, Cooling, S7, painted, S8, Lubrication, S9, take-up, The invention provides an enameled wire and a production process thereof. The enameled wire and the production process thereof can prepare an insulating paint by combining a sleeping polyester resin emulsion with an additive, which can ensure environmental protection characteristics and at the same time can ensure curing effect, avoid falling off, improve corrosion resistance, reduce corona phenomenon, ensure service life and reduce production and use cost by improving the treatment process.