In this paper, the penalty quadratic mark coefficient and penalty quadratic mark number about alternatives were introduced, and a penalty quadratic mark method was proposed in group decision making.

• 本文引进各决策个体关于供选方案的惩罚二次评分系数和惩罚二次评分数概念，由此给出一个群体决策的惩罚二次评分方法。