Redness generally refers to dilated capillaries. Nose redness formation causes more, many are caused by pregnancy, may also be hormone-dependent dermatitis, rosacea symptoms. You need to go to the dermatology department of the hospital to clarify the cause of the disease and then use medication, the treatment can be directed at different causes of the disease with medication. 1. During pregnancy, due to the accelerated blood flow in the skin, and due to the elevated level of estrogen and progesterone, which has a certain effect on the proliferation of blood vessels, the face and nose are prone to capillary dilatation. This situation is usually no conscious symptoms, there is no effect on the body, generally do not have to use drugs, you can also apply vitamin E milk and other relief facial redness. 2. Hormone-dependent dermatitis is caused by the long-term use of hormone-containing drugs or skin care products on the face, long-term topical use of hormones can lead to skin atrophy and thinning, capillary dilatation. Hormone-dependent dermatitis can be treated with topical tacrolimus ointment, pimecrolimus cream and other calcium-modulated phosphatase inhibitor creams. 3. The cause of rosacea is unknown, and is related to late nights, genetics, and alcohol consumption. It is characterized by a large redness of the nose and the skin around the nose, with papules, pustules and dilated capillaries on the red spots, accompanied by itching or pain of different degrees. It can be treated with topical medications such as fusidic acid cream and metronidazole gel. The above situation, it is recommended to go to the hospital in a timely manner, identify the causes, symptomatic treatment, the drugs mentioned above should be used in accordance with medical advice.