For more than 30 years, Li Tingyao has taught at the National Taiwan University of the Arts, National Taiwan Normal University; Chinese Culture University, and National Taipei University of Education. He has produced countless Taiwanese dulcimer elites.
In 1990, he participated in the Rhodes International Talent Competition in South Africa and won the professional group championship with the dulcimer. He joined the Taipei City Orchestra in 1995. In 2001, he served as the founding director of the Taiwan Dulcimer Association. In addition to performing and teaching, he also been a record producer.