【摘要】It shouldn't be judged by the quantity or the proportion of mathematical formulas or models applied in an economic literature but the concepts of Pareto Efficiency or Kaldor\|Hicks Efficiency that mathematics is or isn't lavish in economics,i.e.,it's better or not when applied mathematics than not applied.Economics researches include three aspects as foundational issues,applicational problems and policy makings,and in whiches the foundational researches always want more mathematical tools and different levels and proportions of mathematics are demanded in different economic researches.We should not deny the role of mathematization in economics due to the complexity of economic phenomena or the successes achieved by some economicsts not use mathematics.The mathematization of economics is the main trend and the economics researches will form a multi dimensional pattern.