The paper introduces the selection principles,methods and evaluation criteria of the index system for evaluating the ecological suitability of Camellia oleifera,based on which the suitability of the Camellia oleifera cultivating area in Guizhou Province was evaluated and categorized into three levels of the optimal cultivating area,suitable cultivating area and less suitable cultivating area.The optimal cultivating area was mostly distributed in East and South Guizhou Province,it was the key area of Camellia oleifera industry,occupying 31.90% of the total province.The suitable cultivating area was mainly distributed in Central Guizhou Province,covering 29.00% of the total province.The less suitable area mainly concentrated in West Guizhou,accounting for 9.30% of the total provincial area.