In this paper, we presented the fabrication and testing of four types of stretchable electrodes designed for piezoresistive sensors based on silver-nanowires (AgNWs) and polydimethylsiloxane (PDMS). The effects of oxygen plasma treatment and electron beam evaporation (e-beam evaporation) on the stretchability and contact resistance between the electrodes and piezoresistive material were investigated and discussed with the assistance of SEM image and EDS spectra. The results could be used to guide the fabrication of electrodes that are comprised of high stretchability and low contact resistance for skin-like devices.