Based on the Health Index Model to Research the Discipline Ranking and Discipline Construction Policy

Construction of the world first-class university and the first-class discipline, is a major strategic decision made by the CPC central committee and the state council, in this environment, study of the healthy discipline development in colleges and universities has a certain practical significance. This article with the healthy development of discipline as the research object, based on the InCites and ESI database, to construct First-level discipline evaluation index system, using PCA method determine the index weight in the DHI (Discipline health index) model, establishing the healthy development of discipline empirical formula ,Dividing the discipline health level standard. Researches show that: (1) Top 100 colleges and universities in the QS chemistry discipline ranking, The health level Presents pyramid shape, about 32% of the college distribution within the partition between 0-60 partition;(2)In the health level rating , American colleges and universities keep in the top three, the average score of the three institutions discipline health index is up to 96.17 points;(3)Some universities ranking in DHI model change is bigger, we need to strengthen exchanges and cooperation between the advantages and disadvantages of discipline in the colleges and universities. Keywords: Discipline ranking, PCA, DHI model,Health index, Policy analysis DOI : 10.7176/PPAR/9-3-02 Publication date :March 31 st 2019