Issues about the profit rate of Chinese high technology industry descending and on the low lever currently have become much severe.On the basis of the analysis on the functional mechanism of high technology industry profit dynam- ics on industrial structural adjustments,the paper empirically analyzes the profit rate dynamics of high technology indus- try and its influences on the process of structural adjustments.Fatherly,the paper resolves the main causes leading to low profit rate through three aspects:the situation of market structure and product differentia,the status of international labor division and the return sources of high profit rate industries.Lastly,the paper proposes some corresponding coun- termeasures.