Seborrheic dermatitis does not heal on its own when you are older. Seborrheic dermatitis is a chronic inflammatory skin disease that needs to go to symptomatic treatment before it gets better. The cause of seborrheic dermatitis is not clear, and it is considered to be related to endocrine dysfunction, acne, improper skin care, improper use of medication, metabolic disorders, genetic factors, and bacterial infections. It can have symptoms such as rash, flaking, and itching. It will not heal itself without treatment as it grows older. Treatment can be oral vitamin B drugs such as vitamin B6, vitamin B1, etc., and topical antibacterial agents such as topical ketoconazole cream can be used. Occurrence of seborrheic dermatitis, can not blindly use their own medication, it is recommended that the dermatology consultation, under the guidance of the doctor to use drugs. It is also necessary to pay attention to the daily routine to regular life, diet to low-sugar low-fat diet, avoid using hot water, alkaline soap bath, avoid staying up all night and so on.