Glycerol soap containing plant essential oils is called essential oil soap. Essential oil soap is a kind of handmade soap. The essential oil is extracted from the flower, leaf, stem, root or fruit of the plant by steam distillation, extrusion, cold soaking or solvent extraction. It consists of 250 kinds of molecules. The essence of essential oils can prevent infectious diseases, fight bacteria, viruses, molds, prevent inflammation, prevent phlegm, promote cell metabolism and cell regeneration, and make life better. And some essential oils can regulate endocrine organs, promote hormone secretion, and make physical and psychological activities of the body, and obtain good development.