通过对全价贬值和净价贬值二种思路评估资产经济性损耗的分析及其计算公式的推导 ,确定了经济性贬值的计算公式 ,指出了应用公式时应注意的问题。并且通过案例的评估分析得出了在资产评估中应考虑资产经济性贬值扣除的结论 Through the analysis of the loss of asset economy and the deduction of the calculation formula, this paper determined the formula of economic devaluation and pointed out the problems that should be paid attention to when applying the formula. And through the case analysis, we conclude that the deduction of asset economy devaluation should be considered in the asset valuation