Integrate the semiotic theory into the course of Landscape Heritage Protection and Management, use semiotic methods to interpret cultural heritage cases, and analyse different landscape structures, design languages, subjective experiences, etc. Specifically, select 11 typical cases of cultural heritage at home and abroad, extract or abstract the symbolic elements contained in the case and interpret them, expound the practical role of heritage symbols in cultural figurative, theme strengthening, spiritual communication, etc., explore the historical, cultural and social values of different types of heritage, and summarise the current cases. The problems and solutions in teaching emphasise the use of landscape to protect and continue the heritage, so as to achieve the purpose of integrating the theory of semiotics and the theory of cultural heritage landscape protection, so as to provide a new idea for the teaching practice related to the protection and management of landscape heritage.