Facial seborrheic dermatitis is caused by hypersecretion of sebaceous glands, excessive sebum discharge, accumulation of sebum on the skin, and chronic inflammation of the skin at the place of accumulation, then it is called facial seborrheic dermatitis. The typical damage of seborrheic dermatitis is dark yellowish red papules or patches with clear edges, covered with greasy scales or scabs, accompanied by varying degrees of itching. Facial seborrheic dermatitis is most common in young adults, the initial rash is a red papule or patch fused with each other, covered with greasy scales or yellow scabs. Eyebrows, nose, behind the ears to see gray-white scales or yellow scabs, the base of the red, trunk irregular yellow-red or reddish plaques, compounded with chaffy scales, the serious development of the whole body into erythroderma, sometimes due to scratching, secondary infections of folliculitis, boils, lymphadenitis. All of the above is about the dangers of facial seborrheic dermatitis, so what should be done to solve it? In order to solve this problem, we must find the cause of facial seborrheic dermatitis, the triggering factors of facial seborrheic dermatitis include both internal and external factors. Facial seborrheic dermatitis is related to gonadal secretion, which is caused by hyperandrogen secretion. In addition, it is related to digestive disorders, excessive sugar and fat consumption, mental stress, overwork, bacterial infections, and vitamin B deficiency. External causes of facial seborrheic skin are mainly the excessive use of oil removal and exfoliating products. We must develop the necessary measures to address the causes we have identified above. Facial seborrheic dermatitis patients should use some hypoallergenic creams for protection after facial seborrheic dermatitis develops, to form a good sebum film as soon as possible, to avoid further damage to aggravate the condition. Seborrheic dermatitis is actually very treatable as long as you go to a professional skin hospital early for examination and treatment. If you also suffer from dermatitis disease, then it is recommended that you should pay attention to the dermatitis disease, accurately find out the source of the disease, the right medicine to ensure the effectiveness of the treatment, and strive to restore health as soon as possible.