The use of enameled wire is broad. The copper price in recent years has been rising violently all the time. This recovery study on enameled wire to get high purity copper by soaking in the special solution for 3-5 seconds, and removing 50-200??m thickness insulating barrier and tin-plated layers at the same time. This method is 100 times faster and use 1/1000 energy than the traditional treatment by heating to 1200??. It is low cost, low energy consumption, fast and pollution-free concurrently.