The causes of women’s spots may be due to melasma, freckles, seborrheic keratosis, zygomatic nevus of brownish green and other diseases, which are often related to ultraviolet irradiation, heredity, skin aging and other factors. 1. Melasma: This disease can be caused by heredity, ultraviolet irradiation, change of sex hormone level, chronic diseases, certain medicines, poor sleep quality, etc. It manifests itself as a symmetrical yellowish-brown pigmented spot on the cheek and cheek area. 2. Freckles: This disease is mainly caused by heredity, ultraviolet irradiation, staying up late, cosmetic residues and other factors, resulting in melanin accumulation and the formation of freckles, which occur on the face and are symmetrical from the tip of a needle to the size of a grain of rice, light brown to dark brown spots. 3. Seborrheic keratosis: the cause of this disease is not yet clear, it may be related to skin aging, heredity, ultraviolet irradiation, air pollution, human papillomavirus infection, etc. It is manifested as flat papules or plaques, which may be accompanied by itching or pain. 4. Zygomatic nevus with brownish-green color: the etiology of this disease is unknown, may be related to the developmental abnormality during embryonic period, manifested as symmetrical distribution of dark gray spots on zygomatic area with symptoms such as hyperpigmentation. There are many other kinds of pigmentation, so it is recommended that patients go to the dermatology department of regular hospitals for consultation and standardized treatment after clear diagnosis.