In modern pop music, electric guitars are played in many different genres. When playing an electric guitar, use the pick to hit the strings of the guitar. The pick varies depending on the material, thickness, and shape, and it often has a great influence on other sound changes depending on the material and thickness of the pick. Nevertheless, there are no guidelines for pick selection in Korea according to the material of the pick. Therefore, the purpose of this study is to analyze the frequency of how the electric guitar sound changes depending on the material of the pick and to present the criteria for the selection of the pick. The research method analyzed graph changes through PAZ Analyzer after the same performer played using four types of picks in the same environment. As a result of the analysis, Ultem emphasized the middle range, and the sound sounded solid. Derlin had a flat middle range. Celluloid material showed a sound that emphasized the middle of Ultem and Derlin, and Nylon showed a high-pitched range.