Associated coupling theory is one of the classical theories in modern urban design, which highlights the "line" law relationship among each element in the city environment, and has been widely utilized in lots of aspects in urban planning, urban design and architectural design. It also provides new perspective and methods for cultural heritage conservation, by promoting the recognition and protection of new cultural heritage types (regional heritage, cultural routes e.g.), and also deepening the existing heritage types (historical memorial places, the historical and cultural cities, towns and villages, e.g.). Through exploring the relationship between associated coupling theory and cultural heritage conservation, combining with relevant cases, this article analyzes the general methods of cultural heritage conservation in views of this theory, and provides some references for Chinese cultural heritage conservation practices. Keywords: Associated Coupling Theory; Cultural Heritage Conservation; Interpretation;