Internationalization evaluating indicators and methods of scientific journals

[Purpose] To offer quantitative indicator and methods for evaluating internationalization level of sci-tech journal.[Methodology] Referencing relative research results, substantive connotations and characteristics of sci-tech journal internationalization are expounded,and the calculation parameters are analyzed. The calculation formulas of quantitative evaluation of internationalization sci-tech journal based on basic statistics data such as international articles,international citing times,number of articles country and number of citing country are put forwards. [Findings]The calculation formulas of academic contribution,internationalization widespread, internationalization strength and internationalization comprehensive indicator of journals and calculation examples are given. The roles and significances of the indicators are briefly discussed. [Conclusions] It is feasible to evaluate journal internationalization level generally by using of academic contribution, internationalization widespread,internationalization strength and internationalization comprehensive indicator.