Face summer oil winter dry is generally a normal phenomenon, and personal constitution, skin texture, etc., can also be caused by seborrheic dermatitis, can be relieved through skincare, cleaning, improve lifestyle habits. Summer oil secretion exuberant, need to strengthen the facial cleaning, can be appropriate to increase the number of cleansing, but need to choose a mild cleansing products. Reduce or avoid the use of oily cosmetics, the appropriate use of oil-control products, while strengthening hydration and moisturizing, to promote the balance of oil and water, the appropriate use of moisturizing and hydrating effect of the mask. Diet should reduce spicy stimulating food and sweet food intake, moderate exercise, promote body metabolism. Winter climate is drier, prone to dry skin, it is recommended to drink more water, eat more fresh fruits and vegetables rich in vitamin E, vitamin C, such as kiwi, spinach, oranges, apples and so on. Also need to strengthen the moisturizing hydration, winter oil secretion less can reduce the number of cleaning. Can choose to contain petroleum jelly, glycerin, vitamin E and other ingredients of the moisturizer, as far as possible to neutralize the water and oil, reduce water evaporation through the skin. Face summer oil winter dry, if accompanied by head, face, chest and back parts of the hair follicles around the red pimples, gradually fused into yellow-red patches, this time may be seborrheic dermatitis. If the symptoms are serious, it is recommended to go to the dermatology department of the hospital, after examination and treatment with medication under the guidance of the doctor.