摘要：The aim of this article is to identify durability principles in relation to sustainable development, eco-development and forms of natural valuable areas. Sustainable development accepts sensitive and strong durability principle, however, it does not accept a weak durability principle and restrictive principle. Eco-development does not accept a weak and sensitive durability principle, does not partly accept strong principle, but it accepts restrictive principle. Only one durability principle does not refer to any form of natural valuable areas, it is a weak principle
