目的 利用3S技术寻找独一味Lamiophlomis rotata在四川省的生长适宜区，为独一味资源的合理开发与保护提供依据。方法 通过野外实地考察和查阅相关文献的方式，确定独一味生境特征，利用3S技术中的遥感技术（RS）、地理信息系统（GIS）软件提取适宜独一味生长的气候、土壤、地形地貌、群落等环境因子，对各个环境因子进行空间叠加分析，确定独一味在四川省的生长适宜区分布，统计适宜区面积，并结合全球定位系统（GPS）实地调查进行验证。结果 验证结果表明，运用3S技术提取的独一味生长适宜区与实际独一味生长分布基本吻合。四川省独一味适宜区主要分布在阿坝县、理塘县等20个县范围内，适宜区总面积约135 200 hm²，占区域国土面积的0.71%。结论 在适宜区范围内进行独一味种植和保护，将有利于独一味资源的合理开发与持续利用；该研究方法具有科学性、准确性等特点，可以将其推广到其他中药材适宜区研究领域。

Objective Looking for the suitable areas of Lamiophlomis rotata based on 3S technology in Sichuan province to provide the basis for reasonable exploitation and protection of the L. rotata resource. Methods By the ways of field researching and reviewing the related literature on L. rotata, to confirm its habitat characteristics. RS and GIS software was used to extract the environment factors such as climate, soil, topographic features, and community of L. rotata. The spatial overlay analysis on the various environmental factors were carried out to determine the distribution of L. rotata in Sichuan province. The area and combining with GPS was calculated to verify in field. Results The result indicated that the suitable areas of L. rotata found by using 3S technology were generally consistent with the actual distribution of L. rotata. The suitable areas of L. rotata in Sichuan province were mainly distributed in 20 counties such as Aba country and Litang country. The total area of the suitable areas is about 135 200 hm², accounting for 0.17% of the district area. Conclusion Planting and protecting L. rotata in the suitable area will be benefit to the reasonable exploitation and protection of the L. rotata resource; This research method has the characteristics of scientificity and accuracy, which can be extended to other suitable area research of Chinese herbal medicine.

教育部人文社科规划基金：川西北高原藏区贫困化地域分异特征及精准扶贫创新对策（17YJA850007）；国家自然科学基金资助项目：基于LUCC扰动影响的成都平原土地生态安全维持机制（41371125）