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In order to guide the standardized planting and scientific harvesting of Artemisia argyi var. argyi 'Qiai', effects of diffe-rent planting density, leaf position and leaf age on the growth and quality of A. argyi var. argyi 'Qiai' were studied in this paper. The results showed that appropriate sparse planting could increase stem diameter, compact leaf spacing, increase the leaf size, reduce the rate of withered leaves and increase the number of effective leaves. Dense planting can significantly increase the yield of A. argyi var. argyi