Abstract: Aiming at exploring the relationship between Beijing modern service industry convergence and upgrading of industrial structure.Firstly,applying 2002—2010 input-output tables of Beijing to measuring the convergence degree of Beijing modern service industry,and then using gray correlation analysis method to analyze the relationship between Beijing modern service industry convergence and upgrading of industrial structure.The conclusions are;The inner convergence of Beijing modern service industry plays an important role in accelerating upgrading of the industrial structure,but it's not enough and more upgrading space must be sought from the convergence between Beijing modern service industry and other industries.