Abstract: To study current development status of Laiyang pear industry, diamond model was used to analyze advantages of industrial clusters．It was found that pear industry in Laiyang City has obvious advantages, but there were still problems such as aging of pear farmers, low degree of production and operation coordination, and insufficient excavation of cultural heritage．Through analysis of coupling and coordination relationship between culture, tourism industry, and regional economy in Laiyang City, it was shown that development of cultural industry in Laiyang City was relatively lagging behind, and there was an urgent need to accelerate integration of pear industry and cultural tourism industry．Measures were proposed using a three-dimensional dynamic model to enhance comprehensive competitiveness of Laiyang pear industry．