In 1971, he began work as a graphic designer for Kuangchi Program Service. The cartoon credit sequences he produced for the Taiwanese-dialect serials Silly Son-in-Law and Green Oyster Madam earned him renown.
一九七一年他擔任光啟社美術設計，為閩南語連續劇《傻女婿》、《青蚵嫂》製作卡通片頭，打響了蔡志忠的名號。