Provided is a method for making an herbal soap for alleviating atopic skin disease, the method comprising combining five main medicinal herbs consisting of Kalopanacis cortex, Amaranthus mangostanus, Gardenia jasminoides, Lonicerae flos and Rumex japonicus Houtt with four supplementary medicinal herbs consisting of Glycyrrhiza uralensis Fischer, Mori cortex, Phaseoli radiati semen and red ginseng, which serve to increase the efficacies of the five main medicinal herbs, and refined horse fat containing unsaturated fatty acids and vitamin E, according to an herb combination method that is used in Chinese medicine. According to the method, active ingredients effective for atopic dermatitis patients can be extracted from the medicinal herbs. The herbal extract obtained according to the method exhibits excellent effects on the fundamental treatment of diseases having a high correlation with atopic dermatitis patients and on the alleviation of atopic dermatitis.