IS3C2020 is The Fifth International Symposium on Computer, Consumer and Control sponsored by National Chin-Yi University of Technology. This conference offers a great opportunity for scientists, engineers, and practitioners to present the latest research results, ideas, developments, and applications. IS3C, held every two years, is hosted by National Chin-Yi University of Technology, Taichung, Taiwan. As suggested by the name of the conference, the themes of this conference cover advanced multimedia, computer, telecommunication, sensors and semiconductor, consumer electronics, renewable energy, systems and control, and digital signal processing. Original high-quality papers related to these themes are especially solicited, including theories, methodologies, and applications in Computing, Consumer and Control. Selected papers will be published in the conference proceedings. Selected papers will be recommended to related SCI/EI journals for publication.