With the increasingly economic competition in the World, the audit industry, numerous investors and the enterprises pay more and more attention on the audit of company s sustainable operation.

Research on sustainable operation at a unit level is the foundation and guarantee for the realization of forest sustainable development.

Study on the sustainable management of natural forests and the construction of modern forestry enterprise——Taking Fujian Yong an Forestry(Group)Jiont-stock Co.Ltd.as a case;

Problems and suggestions on conservation and sustainable management of the natural forest in China;

Analysis of ecological benefits and countermeasures of sustainable management for present tussah forests in mountainous areas in Eastern Liaoning;

In order to meet the increasing requirements of forest products by sustainable development of both national economy and society in Guangxi it is very urgent that the development of commercial forest shall be scientificall.

The result of 6th general investigationof national forestry resources indicates that China has made great achievement indeveloping forestry management,but at the same time a series of problems whichhamper its sustainable development have been exposed.

The main types and characteristics of the vegetation of noncommercial forest in Ningde City were analyzed The main problems on the management of noncommercial forest were found out Guided by the theory of sustainable forest management, 4 countermeasures of sustainable management of noncommercial forest were advanced