San Bai Tang is a Chinese herbal formula, which is made by applying 5 grams of Bai Shao, 5 grams of Bai Zhu and 5 grams of Bai Fu Ling to make a water decoction for oral administration. It has the health functions of tonifying Qi and nourishing blood, as well as whitening and moisturizing the skin. It can be used to treat facial pigmentation and premature wrinkles, as well as to brighten, prevent skin roughness and protect against the sun. It is of great clinical significance. In the process of application, licorice can be added to Whitening Three White Soup, which is also very beneficial for improving the patient’s skin. The soup can not only be taken orally but can also be used externally is put on the face is also very beneficial for the improvement of the skin.