Abstract:Based on the four dimensions of input, output, innovation and policy environment of Shanghai's high-tech enterprises, this paper establishes the index system of competitiveness of Shanghai's high-tech enterprises, uses the method of entropy to calculate the index weight of the relevant data of Shanghai's high-tech industries from 2011 to 2016, and finally obtains the evaluation results of competitiveness of Shanghai's high-tech enterprises in the past six years. The conclusion shows that the competitiveness of Shanghai's high-tech enterprises is on the rise in general, and the industrial input and technological innovation are strengthened, but the policy environment has no obvious effect on the development of high-tech enterprises, and the output capacity of industry is declining continuously. Two points to enhance the competitiveness of Shanghai's high-tech industry are discussed.