In the digital media environment

the micro-dramas of intangible cultural heritage has become a key form of traditional cultural image transmission and youthful presentation. The intangible cultural heritage micro-dramas relies on the communication environment of short video to transform traditional visual

auditory and cultural symbols into new forms

and uses lightweight narration and strong audio-visual effects to reduce the communication threshold of intangible cultural heritage. So

the intangible cultural heritage is changed from static protection to dynamic communication. Based on the theory of audio-visual symbols

this paper analyzes the display form and expression law of audio-visual symbols of intangible cultural heritage micro-dramas in combination with real micro-drama works. From three aspects of adhering to the cultural authenticity

improving the audio-visual performance and expanding the inheritance ways

this paper gives the non-genetic inheritance ways that conform to the characteristics of micro-dramas

and gives reference to the digital activation and living inheritance of non-heritage.