Deepening the supply-side reform of popular science and prospering original popular science works are the proper meaning of promoting the high-quality development of popular science in the new era. Different cultural symbols represent the different characteristics of different nationalities and regions, and applying minority cultural symbols to popular science works on earthquake prevention and disaster reduction can provide creators with more sources of creation and forms of expression, and better enable minority audiences to get a sense of freshness and closeness, thus improving the acceptance and dissemination effect of science education on earthquake prevention and disaster reduction. This paper takes semiotic theory as the perspective, mainly combines the audio-video of earthquake prevention and disaster reduction created by Yunnan Earthquake Bureau, analyzes the manifestation form of the symbols and the communication process, and proposes the corresponding optimization strategy, in order to provide reference for the creation of future earthquake prevention and disaster reduction popular science works for ethnic minorities.

earthquake prevention and disaster reduction  /  popular science audio and video  /  cultures of ethnic minorities  /  semiotics