"3 rare" and platinum group elements both are critical strategical resources for modern high-end technology.The comprehensive collation of geochemical data in Shangnan-Luonan area in Henan finds out the enrichment and differentiation characteristics of "3 rare" and platinum group elements and delineates 13 comprehensive anomalies;according to geochemical anomaly characteristics in the study area and based on geological characteristics and metallogenesis,2 geochemical areas and 6 geochemical subareas are pided;Class B and C prospecting prospects are delineated for each and preliminary evaluation and interpretation for each prospecting prospect are carried out,providing large amounts of geochemical information for the exploration of "3 rare" and platinum group element resources in the study area.