"Civil engineering": that is, civil construction engineering, is the general term for civil engineering and construction engineering. Is a human life, production, protection and other activities to build all kinds of facilities and places of engineering disciplines, covering the ground, underground, land, water, underwater and other areas of housing, roads, railroads, airports, bridges, water conservancy, ports, tunnels, water supply and drainage, protection and other engineering scope of the facilities and places of buildings, structures, construction of works, including both engineering and construction process of surveying, Design, construction, maintenance, management and other technical activities, including the construction of materials, equipment and goods consumed in the process.

Mechanical and electrical installation engineering mainly includes engineering data management, mechanical and electrical installation engineering management acceptance and technology, building water supply and drainage and heating engineering, building electrical engineering, intelligent building engineering, ventilation and air-conditioning engineering, elevator engineering, supervision, and management of the project archives.

Decoration works include project data management, decoration works management and technology, construction ground works, plastering works, door and window works, ceiling works, light partition wall works, finishing works, curtain wall works, painting works, framing and soft package works, detail works, decoration works supervision, decoration works filing management.