On the basis of the primitive information affluent coefficient model

with loose hypothesis conditions

it adopts a way to select all the information resource by combining the AHP with the expert investigation method.It constructs the evaluation indices model of resource abundance for information resource of construction firms

and gives the method which is used to measure the development scales and degrees of information resources of construction firms.The model offers reference for a bidding firm to choose a construction firm

and helps construction firms to comprehend the advantages and disadvantages of the development of information resource.