My nose is really red what can I do to take the color away?

Green concealer. Green concealer will tone down appearance and eucerin redness relief will calm blood vessels. For longer term asher or ipl to seal blood vessels on nose. It amy require repeat sessions from time to time to maintain effect.
Depends on cause. There are a few considerations. If this is related to rosacea, then there are medications that can help. If it's from sunburn then time, uv protection can help. If it is from small blood vessels there are treatments (laser) that can help. There are also a variety of treatments that can help with sun damage. An eval with your doctor & possibly a consult with a reputable med spa could help.