Facial seborrheic dermatitis can present with redness and cracking of the nasolabial folds. At the beginning, the nasolabial folds are red and iterated with corn-grain-sized papules. It should be related to the influence of excessive secretion, allergic factors. It is thought to be related to heredity, altered sebum metabolism, microbial parasitism, neurological dysfunction, and dietary habits. It has been hypothesized that the disease occurs as a result of increased sebum secretion and changes in chemical composition, which cause the normal flora originally present on the skin to grow and multiply in large numbers and invade the skin. Facial seborrheic dermatitis patients must carefully consider the use of medication, prohibit the use of hormone drugs, so as not to lead to hormone-dependent dermatitis. Nasolabial folds red chapped prevention 1, pay attention to diet, because the occurrence of facial seborrheic dermatitis and digestive dysfunction, as well as eating too much sugar, fatty foods, therefore, the patient should be prohibited from drinking alcohol, less spicy, fish, shrimp and seafood, beef and lamb, dogs and donkeys, such as stimulating and greasy food, eat more vegetables, fruits, drink more water. 2, pay attention not to excessive use of oil, exfoliating products, although facial seborrheic dermatitis often grows in the sebaceous glands more, but excessive oil, exfoliation is very easy to induce the occurrence of it. Women should pay special attention, do not often use the wonderful nose stickers, apply exfoliating masks, with green bean powder, loofah water to oil, exfoliation, should be strictly prohibited. 3, facial seborrheic dermatitis patients should take care of their own skin, once produced seborrheic dermatitis, in addition to avoiding further damage, you can also use some hypoallergenic cream protection, as soon as possible to make the skin form a good sebaceous membrane, to avoid further damage. 4, pay attention to not excessive cleaning, in seborrheic dermatitis skin, use warm water to apply a small amount of sulfur soap or boric acid soap to wash the face. Remove facial grease, clean skin, can avoid further injury, but also prevent the induction of facial seborrheic dermatitis.