The invention provides a plasma cleaning device, which is applied for cleaning a rechargeable battery and component elements thereof by plasmas. According to the embodiments of the invention, the plasma cleaning device comprises a chamber forming an atmosphere pressure space; a plasma head formed inside the chamber and applied for generating atmospheric plasmas and then transmitting the atmospheric plasmas to the rechargeable battery inside the chamber for cleaning at least a part of the rechargeable battery; a gap control unit equipped on the plasma head and applied for controlling the gap between the part of the rechargeable battery and the plasma head; and a discharge tube formed on one side of the plasma head and connected to the outside of the chamber and applied for discharging the gas generated during a cleaning process.