Abstract
In IT industry, off-shore development in China is increasing for cost reduction. However, various problems have occurred in offshore development. The subject point in a writer's experience is mentioned. And the subject points are also listed based on the reference about off-shore development. Then, the writer analyze the communication structure, and compare the difference between China and Japan, from a communication management of PMBOK perspective. The writer proposes some actions, which makes offshore development successful, for project manager. In the last, the effect of the writer's proposal is described.