An electrode application tool is disclosed for applying of electrode paste to end surfaces of electronic components or collective bodies of electronic components simultaneously at one time. the electrode application tool is designed to have many longitudinal grooves formed in the opposite lateral side surfaces of a main body frame of the application tool so as to accommodate end portions of electronic components or collective bodies of electronic components, and two pairs of upper and lower plate-like elastic members provided so as to cover the upper part and the lower part of the longitudinal grooves, respectively, at least one of each pair allows the longitudinal grooves to be opened, thereby improving productivity of electronic components.