Flaking on both sides of the nose, if due to physiological factors such as dry skin, you should do a good job of moisturizing; if pathological factors such as psoriasis, etc., after diagnosis, you can be treated through general treatment and medication. 1. Dry skin: If flaking occurs on both sides of the nose because of dry air or lack of moisturizing, you can apply some moisturizing products locally to alleviate the problem, such as creams containing hyaluronic acid and other ingredients. 2.Psoriasis (1) General treatment: avoid overwork, mental stress and other factors that may trigger or aggravate psoriasis. (2) Drug treatment: for those with light skin damage, only external drugs, such as glucocorticoid ointment, can be used alone; for those with severe condition and large skin lesions, oral immunosuppressants, such as methotrexate, can be taken for treatment. When flaking occurs on both sides of the nose, if daily care fails to relieve it, you should seek medical attention to find out the cause and treat it under the guidance of your doctor.