Total score value of occupational stress of nurses was 1.97 ± 0.460. Mental health of nurses strongly positively correlated with their occupational stress ( P < 0.001 ). 护士职业应激总分1.97分±0.460分;精神卫生与职业应激呈高度正相关(P<0.001)。  The land intensive utilization score value of Qujing economic and technological development zone is 86.96 %, belong to the ⅳ in the evaluation level, and this result turn up trumps. 计算得出曲靖经济技术开发区土地集约利用综合分值为86.96%,属于评价等级第Ⅳ级,土地集约利用程度可观,集约利用潜力较小。