Radix Paeoniae Alba, Rhizoma Atractylodis Macrocephalae and Poria are traditional skin moistening and whitening drugs, and licorice can also delay aging. In the theory of traditional Chinese medicine, Paeonia lactiflora is sweet and sour, slightly cold, and has the function of nourishing blood, which can cure sallow complexion, facial spots and dullness; Atractylodes macrocephala is warm, sweet and bitter, and has the effect of delaying aging; Poria cocos is sweet, light and flat, which can remove spots and whiten skin; Licorice is flat and sweet, and has the effect of moistening skin and deodorizing. Used for halitosis and chapped skin caused by weakness of spleen and stomach. Modern pharmacological studies have also confirmed the cosmetic effects of the above drugs: Paeonia lactiflora has the effects of scavenging free radicals and antioxidation; Atractylodes macrocephala and Poria can enhance immune function and dilate blood vessels; Glycyrrhiza uralensis Fisch has immunomodulatory effect, which can prevent sunburn, whiten and freckle, and prevent rough skin, so many whitening skin care products contain licorice extract. In fact, Chinese medicine has a long history. In addition to Sanbai Tang, Ge Hong's "Save the nation after Elbow" in the Jin Dynasty pioneered a beauty mask made of eggs, powder and almonds. There are also many prescriptions with whitening and freckle removing effects. For example, Qiongyu ointment (composed of ginseng, Radix Rehmanniae, Poria and white honey) recorded in Hongshi Jifang has the functions of benefiting qi, nourishing yin, moistening skin and whitening skin.