CHI Yueh-chun participated in various social movements as a video activist covering issues such as urban redevelopment and resettlement, urban indigenous communities, agriculture, environment, labour, independent media, as well as justice and human rights. He also took part in the development of webcasting, aiming to change broadcasting media via social activism. In recent years, he focuses on filming documentary and producing commercials and short films. He is currently planning the production of a feature film.