From the statistical data is not difficult to find, the growth of construction industry has been falling, construction industry of the labor productivity and the rate of technical equipment is slow-moving. It shows that the Construction Industry is still in Ruggedly management mode in many areas, lacking of technological innovation. Therefore, the paper evaluate the technology innovation ability in construction industry in 31 provinces and cites of China using factor analysis, get the current status and find the difference, to find solutions for promote the technology innovation ability in construction industry.