Analyzing behavior pattern of residential kitchen and dining-room, considering kitchen s characteristic of transition from the survival type to the civilized type (middle-class family type ), the paper puts forward new design concept about kitchen and dining-room space.

The article mainly introduces the new design idea of bracket displacement, external pre-stressing and bend-bridge preeccentricity used in the design and construction of steel-concrete combined box beam bridge for B and C ramps in Wuhuan Huagong Interchange of Jingjin Expressway, which can provide some experience for the future construction of the similar bridges.

According to the new idea of reconnaissance design advanced by ministry of communications,how to materialize the target of Flexibile,safety,zoology and harmony are discussed by author s experience and opinion.

By the analyses of the history and current situation of the cultural and office supplies,the essay provides the view of points to use the perception of creative designing to design the c ulture and office supplies.