Yellowing of the tip of the nose is a relatively common class of symptoms in the clinic, and its causes include the following: in the first case, there may be a physiological yellowing. For example, people with heavy yellow skin may have this condition, and people who eat too many oranges or pigments may have yellowing in the skin mucosa, especially at the tip of the nose. The second condition is pathological, including acute and chronic hepatitis, cirrhosis, or patients with poor liver function, especially obstructive jaundice, which can present with significant yellowing of the skin mucous membranes, including the tip of the nose. Also, for more pronounced may also be yellowing of the skin and sclera may be more pronounced. Therefore, if this type of yellowing occurs, it is best to go to a regular hospital for liver function or biochemical indexes to further investigate the cause of nasal tip yellowing, to find the specific cause, and to carry out systematic and standardized treatment according to the cause.