通过对“四五”、“六五”、“八五”三次二类森林资源调查资料的对比分析，总结了林业工作成功方面的经验，指出了不足之处，提出了改进措施，认为发展高效林业必须依靠科技进步，从传统纯木材生产的永续观念逐步转变到现代林业的认识上来。 Through the comparison and analysis of the data of three types of forest resources survey of the fourth, fifth, fifth and eighth classifications, this paper summarizes the successful experience of forestry work, points out the shortcomings, puts forward the improvement measures, considers that the development of high efficiency Forestry must rely on advances in science and technology and gradually shift from the concept of perpetuity of traditional pure wood production to the realization of modern forestry.