According to the evaluation rules of fortune "fortune global 500" and Forbes "global 2000", and based on the data and public materials submitted by member enterprises, three related indicators including revenue (40%), profit (30%) and r&d investment (30%) were selected for quantitative calculation, and finally determined after expert evaluation. The top 100 report focuses on the outstanding enterprises with large business scale, good benefits and strong independent innovation ability in the industry of Beijing, aiming to cultivate the excellent brand of Beijing software information service industry through this activity, and guide enterprises to constantly standardize and optimize the development model by virtue of the demonstration effect of "top 100 enterprises", so as to promote the software and information service industry of Beijing to become bigger and stronger.