从马克思主义地租理论出发 ,讨论了立木常用三种评估方法的统一性 ;论述了林地、林木与森林环境评估的相关性 ;提出了以负地租的值作为生态效益补偿最低限及各地位指数下零地租形成的等值线作为发展商品用材林界限的思路 ,为森林分类经营、森林资源资产管理提供一定依据 Based on the theory of Marxism rent, this paper discusses the commonness of three commonly used assessment methods of standing tree, discusses the correlation between forestland, forest and forest environment assessment, puts forward the idea of ​​using negative rent as the minimum of ecological benefit compensation and As a guideline for the development of commercial timber forest boundaries, the contour line formed by zero rent provides a basis for forest classified management and forest resource asset management