This paper introduces the softly virtual and solid technique in the design process for the administration building of South China Normal University in Guangzhou campus city.

Analysis on the problems of one office building floor wall crack;

Quality identity of an office building project;

An inquiry into the locating of office buildings in Shanghai;

The paper makes inquires about some company’s office building electric energy wasted in Shanghai, explores the laws on electric energy wasted of office buildings, so that the laws are spread and applied.

According to the characteristic of office building be- ing thick with computers,the design idea about the internal protection and external protection of building is proposed,and also the measures of lightning protection are introduced in this paper,It emphasizes that internal protection should be impor- tant,especially for computer system in the high-rise office building.

According to the electric power and heat energy demand profiles of the office building, and the characteristics of Beijing local electric network, the costs of the distributed energy resource systems are calculated based on the cost-effective analysis.

The paper expounds what the intelligent system design contains according to the example of an office building,and introduces the conference system and computer room of data center of this project in detail.