Abstract: It is a strategic arrangement made by the state in the new period to establish the land and space planning system and supervise its implementation.Under the arrangement and deployment of the provincial Party committee and the provincial government,Yunnan Province has launched the work of land and space planning preparation,approval and implementation management in time.At the same time,we carried out two tasks:the assessment and adjustment of ecological protection red line and the integration and optimization of nature reserves.Through the carding of the three tasks,this paper further clarifies the relationship between the three.