Abstract: Heilongjiang Province has good ecological and environmental conditions and abundant resources,but there are still problems such as soil erosion,soil degradation,desertification,reduced forest,grassland,wetland and biodiversity,and decreased quality.In order to achieve a green development space for harmonious coexistence between humans and nature,this article briefly analyzed the situation and trends of ecological environment restoration at home and abroad.Based on the spatial characteristics of the ecosystem in the National Ecological Function Zoning,combined with the natural geographical pattern of Heilongjiang Province,this article explored and analyzed the current situation and problems of six ecosystems:forests,grasslands,wetlands,water,farmland,and urban areas.It proposed to carry out ecological construction activities such as ecosystem protection,restoration,governance,and restoration according to local conditions,scientifically implement ecological environment protection measures,and propose suggestions in maintaining the bottom line of ecological security,implementing the requirements of the third line management and control,balancing protection and development,and scientifically utilizing natural resources.It further implements national policies,guarantees food security and ecological security,and strives to build an ecological province that can sustainably utilize and develop natural resources.