This study aims to explore the process of e-commerce adoption by UMKM. This type of research is a qualitative research. Data collection is done through indepth interview with the owner of copper MSME in Boyolali. The results show that the e-commerce adoption process is divided into the initiation phase, decision phase and outcomes phase. The environment is very important in the process of e-commerce adoption. Individual desires and knowledge about e-commerce adoption are still low. Factors that become the main attraction to adopt e-commerce are marketing factor, service and consumer trust, while the obstacle factor to adopt e-commerce is the limited of human resource and the less perceived benefit