Spots on the bridge of the nose may be freckles, sunburn spots, chloasma, age spots and so on. 1. Freckle: Freckle is a hereditary related disease, the most common parts are dorsum of nose and double cheekbones, and the clinical manifestation is isolated and scattered brown patches with the size of corn grain to rice grain. 2. Sunburn spots: Acute inflammatory reaction occurs after normal skin receives excessive ultraviolet rays, resulting in sunburn spots, which are usually red or brown in color, and in severe cases, peeling of skin can occur. 3. Melasma: the cause of the disease is still not very clear. Melasma is a light brown to dark brown pigmented spot, mostly seen on the cheekbones, forehead, upper lip and other parts of the body, and it is common among young and middle-aged women. 4. Age spots: spots on the bridge of the nose of the elderly may be age spots, which are caused by the natural aging of the skin of the elderly, and are yellowish or light brown patches. There may be other reasons for the spots on the bridge of the nose, so it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of the doctor.