封山育林是林业生产上一个名词术语。长期以来,对封山育林的概念,按照理论的解释和人们对这个名词的应用和理解,均有不同的见解,内容也不统一。一说:封山育林是通过人为的保护,利用天然的力量来恢复荒山森林的办法;一说:封山育林是利用天然有利条件和林木自生能力,加以人工促进措施培育森林的一种办法;一说:封山育林是使荒山自然成林和保持水土的有效方法;一说:封山育林是造林绿化的补助措施,也是防止乱砍滥伐的有力措施。有的对水土流失的山地封山恢复植被,再进行人工造林也称之为封山育林。有的把人工营造的幼林列为封山育林对象。总之,众说粉纭,莫衷一是。仔细思考,过去对封山育林这个名词的解释,各有特点,有合理的部分,也有局限性和片面性,甚至有不确切、不相 Closing Hill Yulin is a terminology in forestry production. For a long time, the concept of closing hillsides for afforestation has its own opinions and contents that are not unified according to the theoretical explanation and people’s application and understanding of this term. One said: Closing hillsides for afforestation is a way of restoring barren hills and forests through artificial protection and using natural forces. One of them is that closing hillsides to afforest forests is a way of using natural advantages and self-affluence ability of forests to cultivate forests by artificial promotion measures. It is an effective way to make the barren hills natural to become forests and to maintain soil and water. One said: Closing hillsides for afforestation is a subsidy for afforestation and a powerful measure to prevent deforestation. Some mountain closure of soil and water loss restoration of vegetation, and then artificial afforestation, also known as closing hillsides afforestation. Some of the young people to create artificial forests as closing hillsides. In short, people say Fengyan, incomprehensible. Thinking carefully, the past interpretation of the term “closing hillsides and rejuvenating forests” has its own characteristics, a reasonable part, its limitations and one-sidedness, and even imprecision and incompatibility