The main responsibility of Shaanxi Environmental Protection Bureau was:

　　To carry out the national policy, laws and administrative regulations for the environmental protection. To organize the formulation of local laws, administrative regulations and policy and the detailed rules and regulations of practciing for the provincial environmental protection and supevise and carry out them. Authorized by the provincial government, to assess major economic and technological policies, development planning and key economic development plans and to formulate the provincial environmental protection plans; to formulate and monitor the implementation of the provincial plan for pollution control and ecological conservation in key regions and river basins, and to organize the zoning of environmental functions .

　　 To organize the enforcement of the laws and regulations for pollution prevention of water body, air, soil, noise, wastegas,wastewater,solid wastes, toxic chemicals, radiation, electromagnetism radiation, lighted radiation and vehicle emission, etc.,

　　 To supervise the activities of exploiting and utilizing the natural resources, which have impacts on ecological environment, the important ecological environmental construction and recovery of ecological damage; to supervise and examine the environmental protection in various types of nature reserves, tourist attractions and forest parks; monitor and examine the biodiversity conservation, the protection of wild animals and plants, the wetland conservation and the prevention and control of desertification and to supervise and to provide suggestions concerning whether to approve the establishment of new national nature reserves of various types and manage the provincial nature reserves.