Efficiency of business process has a direct impact on the performance of the enterprise, and accordingly it is also influenced by the multiple factors within the enterprise. The article, with a structured method, analyzed various kinds of problems in the operations of business processes, and illustrated the influences between and among strategy, organization structure, management pattern, human resource and technology, etc. As to the approach of influences of relevant factors on process, the article discussed a basic thought to implement business process improvement, and put for ward an integrated solution involving enterprise strategy planning, business process, and organizational facilities. Meanwhile, a concise analysis was made on relationship between process analysis and informatization. It was given that business improvement was a fundamental and important part of the informatization of the enterprise.