Wrote extensively after his release from prison, and published a number of highly noted works, including The Alien Realm and The Ugly Chinaman. Has devoted himself in recent years to the promotion of human rights. Worked on the preparation of the Green Island Human Rights Monument, which was opened to the public on 10 December, 1999.
出獄後，繼續筆耕著作，著有《異域》、《醜陋的中國人》、《柏楊版資治通鑑》等著作凡兩千餘萬字，近年並獻身人權教育，籌建「綠島人權紀念碑」並於一九九九年十二月十日落成揭幕。