[Objective] This study was to analyze the research progress and thoughts of habitat suitability evaluation of citrus based on ecological niche theory.[Method] The research progress on habitat suitability evaluation and ecological niche theory to the niche selection of crops were comprehensively analyzed.[Result] The research thoughts of using niche theory to evaluate the habitat suitability of citrus with quality constraint were put forward,including the collection and expression of citrus ecological environment and quality factors,interactive response study of the citrus ecological environmen...