Chloasma is called sallow spot in Chinese medicine. To recognize whether chloasma is a type of qi stagnation on the face, you can identify it by its symptoms. Chloasma with Qi stagnation is characterized by dark brown color and diffuse distribution, accompanied by depression, irritability, restlessness, distension and pain in chest and ribs, breast distension and pain before menstruation, menstrual irregularities, and bitter mouth and dry throat, etc. The treatment of chloasma with Qi stagnation is to dredge the liver and regulate Qi, activate blood circulation and eliminate spots. The treatment of chloasma with qi stagnation is based on the principle of dredging the liver and regulating qi, activating blood circulation to eliminate the spots, and the treatment of this type of chloasma is to use the addition and subtraction of Easy San. This formula is composed of Chai Hu, Bai Shao, Angelica Sinensis, Atractylodes Macrocephala, Poria, Glycyrrhiza Uralensis and so on. For those with bitter mouth and dry throat, it can be added with mudanpi and gardenia. If the above symptoms appear, it is recommended to go to the hospital in a timely manner, follow the doctor’s instructions for treatment, do not self-medication, so as not to cause damage to the organism.