More and more spots on the face during breastfeeding may be caused by chloasma due to ultraviolet radiation, changes in sex hormone level, genetic susceptibility, etc. It can be treated by general treatment, drugs (arbutin, etc.), physical and other methods under the guidance of doctors. 1. General treatment: avoid sunlight exposure in life, reduce the skin barrier and the increase of melanocyte activity caused by sunlight exposure, use regular and suitable cosmetics, regular work and rest, reasonable diet, and at the same time, self-regulation, avoiding tension and other bad emotions. 2. Medication: when the patient is breastfeeding more and more spots on the face can be under the guidance of the doctor, through the use of arbutin, tranexamic acid, glutathione and other drugs for treatment. 3. Physical therapy: It can be treated by laser therapy and intense pulse light, which has certain therapeutic effect on chloasma. It is suggested that patients should go to regular hospitals for consultation, and under the doctor’s diagnosis, targeted treatment should be given according to the patient’s condition, and excessive exposure to sunlight should be avoided in life to prevent aggravation of pigmentation.