In this investigation the possibility for inhibiting corrosion of copper using propolis in 0.5 mol dm-3 NaCl solution without and with stirring with a magnetic stirrer were examined. The measurements were carried out in 200 cm3 of NaCl solution in which 4 ml of alcoholic extract of propolis was added. The protective effect of propolis coating, which were formed by applying alcoholic extract of propolis to the electrode surface and dried in air, were also investigated. The results showed that the coating of propolis significantly change the value of open circuit potential of Cu in positive direction, significantly increases the value of polarization resistance and leads to a reduction in corrosion current density. Addition of propolis in solution leads to a minor changes in the value of a stable open circuit potential of copper, leads to an increase in the value of polarisation resistance and decrease in value of corrosion current density. Stirring the solution leads to a reduction in the value of polarization resistance and increase the value of corrosion current density which is especially pronounced in investigations of copper corrosion in uninhibited NaCl solution. The smallest influence of stirring was observed in investigations with copper electrodes protected by propolis coating. The propolis coating after polarization investigations completely cover the surface of the Cu electrode, indicating good adhesion of propolis on the Cu electrode. After dissolving the propolis coating in ethanol it was found that the surface of the electrode is largely preserved in still and stirring solution, which indicates the high protective properties of the propolis coating to copper in NaCl solution.