The darkening of the nose may be related to pigmentation. Some patients, for example, have disorders in the hormone levels of the whole body, and the nasal surface is affected by ultraviolet radiation and other factors, resulting in more local pigmentation, which manifests as black. In this case, it is recommended that patients can go to the Department of Plastic and Reconstructive Surgery for consultation to see if some interventions can be made. Of course, there are also patients who do not clean the surface of the nasal cavity for a long time, resulting in dust depositing on the surface of the nasal cavity for a long time and turning black. In addition, some patients may be in a long-term stay up late, poor living habits, long-term eating spicy, stimulating, systemic endocrine system and reproductive system diseases, will also be manifested. In addition, like this case, it is recommended that patients usually eat more vitamins and fruits, more apples, oranges, etc., more exercise, more body metabolism, related obstetrics and gynecology and other systemic diseases, it is recommended to go to the relevant departments for active consultation. In addition, some patients may have poor local blood circulation, in this case, you can usually often do local massage of the nasal bridge to promote blood circulation.