The concentration of heavy metal were studied for the estimation of quality in herbal medicines which is Bupleuri Radix, Paeoniae Radix, Dioscoreae Rhizoma and Astragali Radix in products of north Kyungbuk area. And we compared with heavy metal concentration of herbal medicines in products of Kyungbuk and the other area of Korea. Also, we collected soils from several area in Kyungbuk, and determined heavy metal concentration of soils by ICP. We compared with herbal medicines in products of Kyungbuk and their soils. The results were as follow : Kyungbuk area appear to be more proper to cultivated land than other area. For the heavy metals contents of Kyungbuk area, in Gong Jung Ri, represented the higher level, it may be due to a near the road. Correlation coefficients of heavy metal contents in cultured herbal medicines and their soils did not give reproducible results.