In the past few years, the Chinese government has promulgated in succession seven strategic emerging industries development plans, ten industrial development plans, Chengdu-Chongqing economic zone planning and the outline of the 12 th five-year plan. The country has attached more and more importance on the mode of industrial development, the direction of development and path of development. The industries should not be developed rapidly, but should also be developed with health and collaboration. Industrial collaboration is a self requirement of industrial development in the future and is also a long-term target.This article studies the collaborative development condition of the three industries in Sichuan Province under the above background. Through an analysis on the establishment of indicator system for evaluation on collaboration of the three industries, it is discovered that there are still a lot of problems that are urgent to be adjusted and improved in collaborative development of the three industries in Sichuan Province. Through the Principal Component Analysis, we find out the principal influencing factors for collaborative development of the three industries in Sichuan Province, which includes the three major influencing factors of relevant industries in construction and real estate, tourism industry and great industrial industry. Given the existing problems at present in collaboration of the three industries in Sichuan Province, this article proposes the five policy suggestions of accelerating adjustment of industrial structure, making full use of resource endowment to develop regional economy, boost healthy and orderly development of construction and real estate industry, encouraging rapid development of tourism industry, bringing in steady development of new types of strategic industries and carrying forward industrial transfer and supporting industrial cluster. The aim of these five policy suggestions is to promote collaborative development of the three industries in Sichuan Province, resolve the issue of 1+1>2 and 1+1+1>3, better facilitate industrial promotion in Sichuan Province and lay a foundation and provide conditions for fast and benign development of industries in Sichuan Province.

This paper employs the systematic synergetics model to analyze conditions of collaborative development of the secondary industry and the tertiary industry in Chengdu, China and uses grey correlation method to analyze the primary influencing factors that affect collaboration between the secondary industry and the tertiary industry in Chengdu. Then, taking into consideration of the influencing factors, this paper proposes policies and suggestions to facilitate collaboration between the secondary industry and the tertiary industry so as to better realize rapid and healthy development of economy in Chengdu