The palms of the hands need to often contact a variety of external substances, whether it is scratching or pressing, may come into contact with irritating chemicals or pathogenic microorganisms, making the palms of the hands itchy, may also be caused by dryness, need to combine the specific circumstances to determine the causes of itchy palms. 1, dry: common in autumn and winter when the skin is dry, and even flaking, accompanied by itchy feeling, belongs to the normal physiological phenomenon, at this time can be timely supplement Moisture and vitamins, hand cream can be applied before going out to moisturize the skin and reduce the itchiness; 2, allergies: if the hand long-term contact with chemical substances, it is considered to be an allergic reaction to the local skin. If this happens, you should leave the allergic environment and avoid the allergens. If there is redness and swelling of the hands, you can use glycomet lotion as prescribed by your doctor, or you can take antihistamines if it is too serious; 3. Hand dermatosis: ringworm is common and may be accompanied by red spots, papules, blisters, etc. Severe cases may also have local erosion, and the causative factor is mainly direct or indirect contact with fungi. Hygiene.