The purpose of this study was to examine the effect of art therapists’ psychological flexibility on their attitudes toward digital utilization under COVID-19 included social distancing. An online survey was conducted from March 8 to March 15, 2021, with a total of 238 art therapists participating. First, it was found that the group with high psychological flexibility had a more positive attitude overall about the usefulness of art therapists’ digital technology utilization for art therapists than the group with low psychological flexibility. Second, it was found that the group with high psychological flexibility had a more positive attitude than the group with low psychological flexibility regarding preference and usefulness as a whole and sub-factor of digital technology utilization. Based on these results, the implications and limitations of this study are discussed.