Medium level. The scores of the second model mathematics in Shanghai senior high school entrance examination are divided into specific categories, with excellent level above 200 points, intermediate level 100 to 200 points, poor level below 100 points, and 138 points at the intermediate level. Mathematics is a discipline that studies concepts such as quantity, structure, change, space and information. It is a general means for human beings to strictly describe and deduce abstract structures and patterns of things, and can be applied to any problems in the real world.