Regional economic development is closely related to the building of transportation system.Tangshan is one of the hubs of communications in a nation wide network of transport and an important component part of the nation wide land development area.Therefore the building of the communications and transportation system will produce a vital influence on the formation of the regional economic structure for the early 21st century.This paper describes in broad outline the general conditions of the basic transportation facilities in Tangshan and gives an estimate of them as well.Furthermore, the paper shows the advantages and disadvantages of the existing transportation facilities.Meanwhile, by analysis of the relationship between strategic position, economic structure and development of the transportation system, the paper discusses the strategic influence of the major transportation system on Tangshan economic structure in terms of location influence, concentration of the key factors, guaranty conditions of the functions, economic distribution, town system and adjustment of the industrial structure, etc.Finally the author presents constructive suggestions relevant to the building of Tangshan transportation system in light of the location of Tangshan, distribution of resources, together with the allocation of the production factors in the market, the regionalization and individualization of the economic development.