γγThe spots on the bridge of nose may be caused by the blockage of circulation maintenance between cell tissues, resulting in apoptosis, melanin increase and finally melanin precipitation to form spots, which are commonly found in sun spots, melasma, freckles and other dermatological diseases.γγ1, sun spots: generally due to excessive exposure to ultraviolet rays or inadequate sun protection measures, ultraviolet rays will increase the formation of melanin deposits, resulting in spots on the bridge of the nose, usually pay attention to sun protection, sunshades, etc. can be effectively prevented; 2, chloasma: mostly seen in women, related to hormone level disorders, menstrual disorders, staying up late, anxiety, insomnia and other factors, or the frequent use of hormonal ointments on the face, prone to cause Chloasma, mainly manifested as symmetrically distributed yellow-brown patches, can be treated clinically by laser cosmetology; 3. Freckles: belong to common diseases of adolescent children, mostly related to genetics and physique, mostly occurring in the position of cheekbones and nose bridge, will gradually aggravate by sun exposure, generally no special treatment is needed, if there is medical beauty intention, laser treatment is also available, etc.; 4. Others: if the spots are in the dermis, such as nevus of Ota-like spots It may be related to genetic inheritance, which is autosomal dominant. During embryonic development, when melanocytes migrate from neural crest to epidermis, they fail to pass the epidermis and dermis junction for some reasons and stay in the dermis and form lesions. It is recommended to go to the hospital to see a doctor first, who will evaluate the type of spots, and then select laser equipment for treatment in a targeted manner.