Spots on the face are mostly a sign of where in the body there is a problem, which needs to be determined according to the different types of spots, such as freckles, melasma and age spots. Among them, freckles are related to genes, chloasma may be related to liver diseases, and age spots are related to skin aging. 1. Freckles: they are pigmented spots occurring on facial skin, which are light brown to dark brown spots, mainly caused by chromosomal dominant inheritance. It is mainly caused by chromosomal dominant inheritance. Therefore, patients with freckles are mainly caused by genes in the body. 2. Melasma: It is a yellowish-brown pigmentation spot on the face with many causes, such as genetic susceptibility, ultraviolet irradiation, abnormal sex hormone level, etc. It can lead to the appearance of melasma. The presence of liver diseases, internal tumors, tuberculous lesions, etc. in some patients can also induce the appearance of chloasma, so it can sometimes be called liver spots. 3. Age spots: brown spots of rice grain to nail cap size appear on the face, back of hand and other exposed parts of the elderly, the cause of which is closely related to natural aging, sunlight damage, genetic factors and so on. Once the phenomenon of spots appears on the face, it is necessary to pay attention to the timely consultation and identification in the hospital.