Mr. Yeung had engaged in art design related industries for many years, and had served as art director or director of art department of many newspapers and advertising companies, and has extensive and in-depth understanding and production experience in art-related work such as printing graphic design, illustration production and online platforms. In the early years, he wrote column articles for Computer Square Magazine, showcasing art software, hardware and software usage. Later, he wrote art software teaching books for a Taiwan publishing house. In terms of teaching experience, he has served in many. As the head of the company's art department, he produced and taught training courses related to art printing or software for middle school students and internal employees. Later, he also served as a tutor or teaching assistant for short-term training courses in many primary and secondary schools.