The construction industry consists of the following three categories: civil engineering construction industry; Line, pipeline and equipment installation industry, survey and design industry. The function of the construction industry is mainly to carry out construction and installation activities on various building materials and components, machinery and equipment, and to build productive and unproductive fixed assets for the national economy. The development of construction industry is closely related to the investment scale of fixed assets, which promote and restrict each other.

Classification includes: housing and civil engineering, bridge engineering, construction industry, construction and installation industry, architectural decoration industry and other construction industries. After the products of the construction industry are transferred to users, various productive and unproductive fixed assets are formed.

It is the means of production of all material production departments and transportation departments of the national economy and an important material basis for people's lives. The United States and some other western countries regard construction, steel industry and automobile industry as the three pillars of the national economy.

trait

Construction production means that workers use machinery, equipment and tools to process and manufacture the objects of labor according to the design requirements, so as to produce certain products and make them have the characteristics of industrial production. But it has many technical and economic characteristics different from general industrial production, so it is an independent material production department.

Its main features are:

(1) is fixed on the ground and cannot be moved;

② Complex and diverse, each with its own differences;

(3) the body is huge and the whole is difficult to distinguish;

④ Durable and long service life.