ABSTRACT
The revised revision of the Shenzhen Special Economic Zone Medical Regulations passed in 2022 is an important institutional innovation in China, while many problems still need to be solved in the specific practice and application. This paper compared the practical development characteristics of the living will system between China and Japan, and analyzed the relationship between doctor-patients relationship under the intervention of the living will system and the symbolic representation mechanism of living will by using the semiotics theory. According to the links of "addresser-symbolic text" and "symbolic text-addressee", the six types of problems faced by current living will system in China were discussed, and the relevant experience and enlightenment were summarized to provided reference for the development of the living will system in China.